| Message ID | 20210305101933.9799-5-huangpei@loongson.cn (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [1/4] MIPS: replace -pg with CC_FLAGS_FTRACE | expand |
Hi Huang,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/perf/core]
[also build test ERROR on linus/master hnaz-linux-mm/master v5.12-rc2 next-20210305]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Huang-Pei/MIPS-replace-pg-with-CC_FLAGS_FTRACE/20210307-115946
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 8bcfdd7cad3dffdd340f9a79098cbf331eb2cd53
config: mips-randconfig-r003-20210307 (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/32a9684a1c08df48b3dcf8402a201ae5b0244472
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Huang-Pei/MIPS-replace-pg-with-CC_FLAGS_FTRACE/20210307-115946
git checkout 32a9684a1c08df48b3dcf8402a201ae5b0244472
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
{standard input}: Assembler messages:
>> {standard input}:118: Error: junk at end of line, first unrecognized character is `%'
{standard input}:119: Error: junk at end of line, first unrecognized character is `%'
{standard input}:120: Error: junk at end of line, first unrecognized character is `%'
{standard input}:146: Error: junk at end of line, first unrecognized character is `%'
{standard input}:147: Error: junk at end of line, first unrecognized character is `%'
{standard input}:148: Error: junk at end of line, first unrecognized character is `%'
{standard input}:192: Error: junk at end of line, first unrecognized character is `%'
{standard input}:193: Error: junk at end of line, first unrecognized character is `%'
{standard input}:194: Error: junk at end of line, first unrecognized character is `%'
{standard input}:245: Error: junk at end of line, first unrecognized character is `%'
{standard input}:246: Error: junk at end of line, first unrecognized character is `%'
{standard input}:247: Error: junk at end of line, first unrecognized character is `%'
{standard input}:329: Error: junk at end of line, first unrecognized character is `%'
{standard input}:330: Error: junk at end of line, first unrecognized character is `%'
{standard input}:331: Error: junk at end of line, first unrecognized character is `%'
{standard input}:357: Error: junk at end of line, first unrecognized character is `%'
{standard input}:358: Error: junk at end of line, first unrecognized character is `%'
{standard input}:359: Error: junk at end of line, first unrecognized character is `%'
{standard input}:431: Error: junk at end of line, first unrecognized character is `%'
{standard input}:432: Error: junk at end of line, first unrecognized character is `%'
{standard input}:433: Error: junk at end of line, first unrecognized character is `%'
{standard input}:539: Error: junk at end of line, first unrecognized character is `%'
{standard input}:540: Error: junk at end of line, first unrecognized character is `%'
{standard input}:541: Error: junk at end of line, first unrecognized character is `%'
{standard input}:640: Error: junk at end of line, first unrecognized character is `%'
{standard input}:641: Error: junk at end of line, first unrecognized character is `%'
{standard input}:642: Error: junk at end of line, first unrecognized character is `%'
{standard input}:733: Error: junk at end of line, first unrecognized character is `%'
{standard input}:734: Error: junk at end of line, first unrecognized character is `%'
{standard input}:735: Error: junk at end of line, first unrecognized character is `%'
{standard input}:854: Error: junk at end of line, first unrecognized character is `%'
{standard input}:855: Error: junk at end of line, first unrecognized character is `%'
{standard input}:856: Error: junk at end of line, first unrecognized character is `%'
{standard input}:898: Error: junk at end of line, first unrecognized character is `%'
{standard input}:899: Error: junk at end of line, first unrecognized character is `%'
{standard input}:900: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1159: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1160: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1161: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1415: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1416: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1417: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2114: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2115: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2116: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2416: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2417: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2418: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3109: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3110: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3111: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3318: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3319: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3320: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3655: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3656: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3657: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3690: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3691: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3692: Error: junk at end of line, first unrecognized character is `%'
--
{standard input}: Assembler messages:
{standard input}:117: Error: junk at end of line, first unrecognized character is `%'
>> {standard input}:118: Error: junk at end of line, first unrecognized character is `%'
{standard input}:119: Error: junk at end of line, first unrecognized character is `%'
{standard input}:158: Error: junk at end of line, first unrecognized character is `%'
{standard input}:159: Error: junk at end of line, first unrecognized character is `%'
{standard input}:160: Error: junk at end of line, first unrecognized character is `%'
{standard input}:187: Error: junk at end of line, first unrecognized character is `%'
{standard input}:188: Error: junk at end of line, first unrecognized character is `%'
{standard input}:189: Error: junk at end of line, first unrecognized character is `%'
{standard input}:232: Error: junk at end of line, first unrecognized character is `%'
{standard input}:233: Error: junk at end of line, first unrecognized character is `%'
{standard input}:234: Error: junk at end of line, first unrecognized character is `%'
{standard input}:260: Error: junk at end of line, first unrecognized character is `%'
{standard input}:261: Error: junk at end of line, first unrecognized character is `%'
{standard input}:262: Error: junk at end of line, first unrecognized character is `%'
{standard input}:448: Error: junk at end of line, first unrecognized character is `%'
{standard input}:449: Error: junk at end of line, first unrecognized character is `%'
{standard input}:450: Error: junk at end of line, first unrecognized character is `%'
{standard input}:496: Error: junk at end of line, first unrecognized character is `%'
{standard input}:497: Error: junk at end of line, first unrecognized character is `%'
{standard input}:498: Error: junk at end of line, first unrecognized character is `%'
{standard input}:537: Error: junk at end of line, first unrecognized character is `%'
{standard input}:538: Error: junk at end of line, first unrecognized character is `%'
{standard input}:539: Error: junk at end of line, first unrecognized character is `%'
{standard input}:565: Error: junk at end of line, first unrecognized character is `%'
{standard input}:566: Error: junk at end of line, first unrecognized character is `%'
{standard input}:567: Error: junk at end of line, first unrecognized character is `%'
{standard input}:610: Error: junk at end of line, first unrecognized character is `%'
{standard input}:611: Error: junk at end of line, first unrecognized character is `%'
{standard input}:612: Error: junk at end of line, first unrecognized character is `%'
{standard input}:782: Error: junk at end of line, first unrecognized character is `%'
{standard input}:783: Error: junk at end of line, first unrecognized character is `%'
{standard input}:784: Error: junk at end of line, first unrecognized character is `%'
{standard input}:858: Error: junk at end of line, first unrecognized character is `%'
{standard input}:859: Error: junk at end of line, first unrecognized character is `%'
{standard input}:860: Error: junk at end of line, first unrecognized character is `%'
{standard input}:977: Error: junk at end of line, first unrecognized character is `%'
{standard input}:978: Error: junk at end of line, first unrecognized character is `%'
{standard input}:979: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1048: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1049: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1050: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1121: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1122: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1123: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1175: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1176: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1177: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1290: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1291: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1292: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1626: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1627: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1628: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1902: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1903: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1904: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2421: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2422: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2423: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2569: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2570: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2571: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2916: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2917: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2918: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2951: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2952: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2953: Error: junk at end of line, first unrecognized character is `%'
--
drivers/net/ethernet/hisilicon/hns_mdio.c:553:36: warning: 'hns_mdio_acpi_match' defined but not used [-Wunused-const-variable=]
553 | static const struct acpi_device_id hns_mdio_acpi_match[] = {
| ^~~~~~~~~~~~~~~~~~~
{standard input}: Assembler messages:
>> {standard input}:118: Error: junk at end of line, first unrecognized character is `%'
{standard input}:119: Error: junk at end of line, first unrecognized character is `%'
{standard input}:120: Error: junk at end of line, first unrecognized character is `%'
{standard input}:146: Error: junk at end of line, first unrecognized character is `%'
{standard input}:147: Error: junk at end of line, first unrecognized character is `%'
{standard input}:148: Error: junk at end of line, first unrecognized character is `%'
{standard input}:214: Error: junk at end of line, first unrecognized character is `%'
{standard input}:215: Error: junk at end of line, first unrecognized character is `%'
{standard input}:216: Error: junk at end of line, first unrecognized character is `%'
{standard input}:461: Error: junk at end of line, first unrecognized character is `%'
{standard input}:462: Error: junk at end of line, first unrecognized character is `%'
{standard input}:463: Error: junk at end of line, first unrecognized character is `%'
{standard input}:520: Error: junk at end of line, first unrecognized character is `%'
{standard input}:521: Error: junk at end of line, first unrecognized character is `%'
{standard input}:522: Error: junk at end of line, first unrecognized character is `%'
{standard input}:627: Error: junk at end of line, first unrecognized character is `%'
{standard input}:628: Error: junk at end of line, first unrecognized character is `%'
{standard input}:629: Error: junk at end of line, first unrecognized character is `%'
{standard input}:756: Error: junk at end of line, first unrecognized character is `%'
{standard input}:757: Error: junk at end of line, first unrecognized character is `%'
{standard input}:758: Error: junk at end of line, first unrecognized character is `%'
{standard input}:799: Error: junk at end of line, first unrecognized character is `%'
{standard input}:800: Error: junk at end of line, first unrecognized character is `%'
{standard input}:801: Error: junk at end of line, first unrecognized character is `%'
{standard input}:989: Error: junk at end of line, first unrecognized character is `%'
{standard input}:990: Error: junk at end of line, first unrecognized character is `%'
{standard input}:991: Error: junk at end of line, first unrecognized character is `%'
--
{standard input}: Assembler messages:
>> {standard input}:118: Error: junk at end of line, first unrecognized character is `%'
{standard input}:119: Error: junk at end of line, first unrecognized character is `%'
{standard input}:120: Error: junk at end of line, first unrecognized character is `%'
{standard input}:146: Error: junk at end of line, first unrecognized character is `%'
{standard input}:147: Error: junk at end of line, first unrecognized character is `%'
{standard input}:148: Error: junk at end of line, first unrecognized character is `%'
{standard input}:200: Error: junk at end of line, first unrecognized character is `%'
{standard input}:201: Error: junk at end of line, first unrecognized character is `%'
{standard input}:202: Error: junk at end of line, first unrecognized character is `%'
{standard input}:288: Error: junk at end of line, first unrecognized character is `%'
{standard input}:289: Error: junk at end of line, first unrecognized character is `%'
{standard input}:290: Error: junk at end of line, first unrecognized character is `%'
{standard input}:328: Error: junk at end of line, first unrecognized character is `%'
{standard input}:329: Error: junk at end of line, first unrecognized character is `%'
{standard input}:330: Error: junk at end of line, first unrecognized character is `%'
{standard input}:395: Error: junk at end of line, first unrecognized character is `%'
{standard input}:396: Error: junk at end of line, first unrecognized character is `%'
{standard input}:397: Error: junk at end of line, first unrecognized character is `%'
{standard input}:439: Error: junk at end of line, first unrecognized character is `%'
{standard input}:440: Error: junk at end of line, first unrecognized character is `%'
{standard input}:441: Error: junk at end of line, first unrecognized character is `%'
{standard input}:497: Error: junk at end of line, first unrecognized character is `%'
{standard input}:498: Error: junk at end of line, first unrecognized character is `%'
{standard input}:499: Error: junk at end of line, first unrecognized character is `%'
{standard input}:773: Error: junk at end of line, first unrecognized character is `%'
{standard input}:774: Error: junk at end of line, first unrecognized character is `%'
{standard input}:775: Error: junk at end of line, first unrecognized character is `%'
{standard input}:823: Error: junk at end of line, first unrecognized character is `%'
{standard input}:824: Error: junk at end of line, first unrecognized character is `%'
{standard input}:825: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1384: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1385: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1386: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1432: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1433: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1434: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1650: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1651: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1652: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1717: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1718: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1719: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1773: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1774: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1775: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1818: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1819: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1820: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1919: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1920: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1921: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2107: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2108: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2109: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2169: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2170: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2171: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2417: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2418: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2419: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2555: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2556: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2557: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2686: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2687: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2688: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3101: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3102: Error: junk at end of line, first unrecognized character is `%'
{standard input}:3103: Error: junk at end of line, first unrecognized character is `%'
--
{standard input}: Assembler messages:
{standard input}:117: Error: junk at end of line, first unrecognized character is `%'
>> {standard input}:118: Error: junk at end of line, first unrecognized character is `%'
{standard input}:119: Error: junk at end of line, first unrecognized character is `%'
{standard input}:147: Error: junk at end of line, first unrecognized character is `%'
{standard input}:148: Error: junk at end of line, first unrecognized character is `%'
{standard input}:149: Error: junk at end of line, first unrecognized character is `%'
{standard input}:193: Error: junk at end of line, first unrecognized character is `%'
{standard input}:194: Error: junk at end of line, first unrecognized character is `%'
{standard input}:195: Error: junk at end of line, first unrecognized character is `%'
{standard input}:254: Error: junk at end of line, first unrecognized character is `%'
{standard input}:255: Error: junk at end of line, first unrecognized character is `%'
{standard input}:256: Error: junk at end of line, first unrecognized character is `%'
{standard input}:328: Error: junk at end of line, first unrecognized character is `%'
{standard input}:329: Error: junk at end of line, first unrecognized character is `%'
{standard input}:330: Error: junk at end of line, first unrecognized character is `%'
{standard input}:368: Error: junk at end of line, first unrecognized character is `%'
{standard input}:369: Error: junk at end of line, first unrecognized character is `%'
{standard input}:370: Error: junk at end of line, first unrecognized character is `%'
{standard input}:418: Error: junk at end of line, first unrecognized character is `%'
{standard input}:419: Error: junk at end of line, first unrecognized character is `%'
{standard input}:420: Error: junk at end of line, first unrecognized character is `%'
{standard input}:527: Error: junk at end of line, first unrecognized character is `%'
{standard input}:528: Error: junk at end of line, first unrecognized character is `%'
{standard input}:529: Error: junk at end of line, first unrecognized character is `%'
{standard input}:619: Error: junk at end of line, first unrecognized character is `%'
{standard input}:620: Error: junk at end of line, first unrecognized character is `%'
{standard input}:621: Error: junk at end of line, first unrecognized character is `%'
{standard input}:671: Error: junk at end of line, first unrecognized character is `%'
{standard input}:672: Error: junk at end of line, first unrecognized character is `%'
{standard input}:673: Error: junk at end of line, first unrecognized character is `%'
{standard input}:977: Error: junk at end of line, first unrecognized character is `%'
{standard input}:978: Error: junk at end of line, first unrecognized character is `%'
{standard input}:979: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1059: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1060: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1061: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1168: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1169: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1170: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1201: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1202: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1203: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1244: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1245: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1246: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1375: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1376: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1377: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1669: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1670: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1671: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1821: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1822: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1823: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1962: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1963: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1964: Error: junk at end of line, first unrecognized character is `%'
--
{standard input}: Assembler messages:
{standard input}:117: Error: junk at end of line, first unrecognized character is `%'
>> {standard input}:118: Error: junk at end of line, first unrecognized character is `%'
{standard input}:119: Error: junk at end of line, first unrecognized character is `%'
{standard input}:143: Error: junk at end of line, first unrecognized character is `%'
{standard input}:144: Error: junk at end of line, first unrecognized character is `%'
{standard input}:145: Error: junk at end of line, first unrecognized character is `%'
{standard input}:205: Error: junk at end of line, first unrecognized character is `%'
{standard input}:206: Error: junk at end of line, first unrecognized character is `%'
{standard input}:207: Error: junk at end of line, first unrecognized character is `%'
{standard input}:230: Error: junk at end of line, first unrecognized character is `%'
{standard input}:231: Error: junk at end of line, first unrecognized character is `%'
{standard input}:232: Error: junk at end of line, first unrecognized character is `%'
{standard input}:255: Error: junk at end of line, first unrecognized character is `%'
{standard input}:256: Error: junk at end of line, first unrecognized character is `%'
{standard input}:257: Error: junk at end of line, first unrecognized character is `%'
{standard input}:285: Error: junk at end of line, first unrecognized character is `%'
{standard input}:286: Error: junk at end of line, first unrecognized character is `%'
{standard input}:287: Error: junk at end of line, first unrecognized character is `%'
{standard input}:315: Error: junk at end of line, first unrecognized character is `%'
{standard input}:316: Error: junk at end of line, first unrecognized character is `%'
{standard input}:317: Error: junk at end of line, first unrecognized character is `%'
{standard input}:381: Error: junk at end of line, first unrecognized character is `%'
{standard input}:382: Error: junk at end of line, first unrecognized character is `%'
{standard input}:383: Error: junk at end of line, first unrecognized character is `%'
{standard input}:457: Error: junk at end of line, first unrecognized character is `%'
{standard input}:458: Error: junk at end of line, first unrecognized character is `%'
{standard input}:459: Error: junk at end of line, first unrecognized character is `%'
{standard input}:525: Error: junk at end of line, first unrecognized character is `%'
{standard input}:526: Error: junk at end of line, first unrecognized character is `%'
{standard input}:527: Error: junk at end of line, first unrecognized character is `%'
{standard input}:630: Error: junk at end of line, first unrecognized character is `%'
{standard input}:631: Error: junk at end of line, first unrecognized character is `%'
{standard input}:632: Error: junk at end of line, first unrecognized character is `%'
{standard input}:655: Error: junk at end of line, first unrecognized character is `%'
{standard input}:656: Error: junk at end of line, first unrecognized character is `%'
{standard input}:657: Error: junk at end of line, first unrecognized character is `%'
{standard input}:690: Error: junk at end of line, first unrecognized character is `%'
{standard input}:691: Error: junk at end of line, first unrecognized character is `%'
{standard input}:692: Error: junk at end of line, first unrecognized character is `%'
{standard input}:767: Error: junk at end of line, first unrecognized character is `%'
{standard input}:768: Error: junk at end of line, first unrecognized character is `%'
{standard input}:769: Error: junk at end of line, first unrecognized character is `%'
{standard input}:888: Error: junk at end of line, first unrecognized character is `%'
{standard input}:889: Error: junk at end of line, first unrecognized character is `%'
{standard input}:890: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1014: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1015: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1016: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1225: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1226: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1227: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1256: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1257: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1258: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1342: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1343: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1344: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1446: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1447: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1448: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1481: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1482: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1483: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1516: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1517: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1518: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1551: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1552: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1553: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1591: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1592: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1593: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1674: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1675: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1676: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1703: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1704: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1705: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1782: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1783: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1784: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1830: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1831: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1832: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1855: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1856: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1857: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1932: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1933: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1934: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1979: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1980: Error: junk at end of line, first unrecognized character is `%'
{standard input}:1981: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2042: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2043: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2044: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2093: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2094: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2095: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2118: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2119: Error: junk at end of line, first unrecognized character is `%'
{standard input}:2120: Error: junk at end of line, first unrecognized character is `%'
..
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 5741dae35b74..6b96a19a42c2 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -56,6 +56,8 @@ config MIPS select HAVE_DEBUG_STACKOVERFLOW select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE + select HAVE_DYNAMIC_FTRACE_WITH_REGS \ + if $(cc-option, -fpatchable-function-entry=3) select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2 select HAVE_EXIT_THREAD select HAVE_FAST_GUP diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 0d0f29d662c9..1d6553f0623e 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -56,13 +56,16 @@ ifneq ($(SUBARCH),$(ARCH)) endif endif -ifdef CONFIG_FUNCTION_GRAPH_TRACER - ifndef KBUILD_MCOUNT_RA_ADDRESS - ifeq ($(call cc-option-yn,-mmcount-ra-address), y) - cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS +ifndef CONFIG_DYNMAIC_FTRACE_WITH_REGS + ifdef CONFIG_FUNCTION_GRAPH_TRACER + ifndef KBUILD_MCOUNT_RA_ADDRESS + ifeq ($(call cc-option-yn,-mmcount-ra-address), y) + cflags-y += -mmcount-ra-address -DKBUILD_MCOUNT_RA_ADDRESS + endif endif endif endif + cflags-y += $(call cc-option, -mno-check-zero-division) ifdef CONFIG_32BIT @@ -293,6 +296,11 @@ ifdef CONFIG_64BIT bootvars-y += ADDR_BITS=64 endif +ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS + KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY + CC_FLAGS_FTRACE := -fpatchable-function-entry=3 +endif + # This is required to get dwarf unwinding tables into .debug_frame # instead of .eh_frame so we don't discard them. KBUILD_CFLAGS += -fno-asynchronous-unwind-tables diff --git a/arch/mips/include/asm/ftrace.h b/arch/mips/include/asm/ftrace.h index b463f2aa5a61..e3b0910486ab 100644 --- a/arch/mips/include/asm/ftrace.h +++ b/arch/mips/include/asm/ftrace.h @@ -87,4 +87,11 @@ struct dyn_arch_ftrace { #endif /* CONFIG_DYNAMIC_FTRACE */ #endif /* __ASSEMBLY__ */ #endif /* CONFIG_FUNCTION_TRACER */ + +#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS +struct dyn_ftrace; +int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec); +#define ftrace_init_nop ftrace_init_nop +#endif + #endif /* _ASM_MIPS_FTRACE_H */ diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 3e7b0ee54cfb..7b07d80aadd5 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -21,6 +21,7 @@ CFLAGS_REMOVE_ftrace-mcount.o = $(CC_FLAGS_FTRACE) CFLAGS_REMOVE_early_printk.o = $(CC_FLAGS_FTRACE) CFLAGS_REMOVE_perf_event.o = $(CC_FLAGS_FTRACE) CFLAGS_REMOVE_perf_event_mipsxx.o = $(CC_FLAGS_FTRACE) +CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE) endif obj-$(CONFIG_CEVT_BCM1480) += cevt-bcm1480.o @@ -39,7 +40,9 @@ obj-$(CONFIG_DEBUG_FS) += segment.o obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-$(CONFIG_MODULES) += module.o -obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace-mcount.o +ft-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace-mcount.o +ft-$(CONFIG_DYNAMIC_FTRACE_WITH_REGS) := entry-ftrace.o ftrace.o +obj-y += $(ft-y) sw-y := r4k_switch.o sw-$(CONFIG_CPU_R3000) := r2300_switch.o diff --git a/arch/mips/kernel/entry-ftrace.S b/arch/mips/kernel/entry-ftrace.S new file mode 100644 index 000000000000..1e1eebc523ea --- /dev/null +++ b/arch/mips/kernel/entry-ftrace.S @@ -0,0 +1,182 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/mips/kernel/entry_ftrace.S + * + * Copyright (C) 2021 Loongson Corp + * Author: Huang Pei <huangpei@loongson.cn> + */ + +#include <asm/export.h> +#include <asm/regdef.h> +#include <asm/stackframe.h> + +/* + * ftrace_regs_caller() is the function that replaces _mcount() when ftrace + * is active. + * + * we arrive here after a function A calls function B, and B is what we + * are tracing for. When we enter, sp points to A's stack frame, B has not + * yet had a chance to allocate one yet. (This is different from -pg case + * , in which the B's stack is allocated)) + + * when ftrace initialized, it replace three nops from all function with + * "lui + nop + move" + * B: + * lui at, %hi(ftrace_regs_caller) + * nop + * li t0, 0 + * # B's real start + * + * at B's entry, when tracing enabled, replace the 'nop' with 'jalr' + * + * # B's entry, three nop for both in vmlinux and in kernel modules + * B: + * lui at, %hi(ftrace_regs_caller) + * jalr at, at + * move t0, zero + * # B's real start + * + * if set t0 to 1, then calling ftrace_regs_caller with partial regs saved + * + * B: + * lui at, %hi(ftrace_regs_caller) + * jalr at, at + * li t0, 1 + * # B's real start + * + * we make ftrace_regs_caller 64KB aligned, when entring ftrace_regs_caller + * AT points to the return address to B, and ra points to return address + * to A, + * + * if patched to new funcition, then clobbered the first real instruction + * + * B: + * lui at, %hi(new_B) + * addiu at, at, %lo(new_B) + * jr at + * # B's real start, now clobbered with zero + * nop + * + */ + .text + .set push + .set noreorder + .set noat + .align 16 +NESTED(ftrace_regs_caller, PT_SIZE, ra) + PTR_ADDIU sp, sp, -PT_SIZE + .globl ftrace_caller +ftrace_caller: +#ifdef CONFIG_64BIT + PTR_S a4, PT_R8(sp) + PTR_S a5, PT_R9(sp) + PTR_S a6, PT_R10(sp) + PTR_S a7, PT_R11(sp) +#endif + PTR_S a0, PT_R4(sp) + PTR_S a1, PT_R5(sp) + PTR_S a2, PT_R6(sp) + + bnez t0, 1f + PTR_S a3, PT_R7(sp) + + PTR_S t0, PT_R12(sp) + PTR_S t1, PT_R13(sp) + PTR_S t2, PT_R14(sp) + PTR_S t3, PT_R15(sp) + + PTR_S s0, PT_R16(sp) + PTR_S s1, PT_R17(sp) + PTR_S s2, PT_R18(sp) + PTR_S s3, PT_R19(sp) + + PTR_S s4, PT_R20(sp) + PTR_S s5, PT_R21(sp) + PTR_S s6, PT_R22(sp) + PTR_S s7, PT_R23(sp) + + PTR_S t8, PT_R24(sp) + PTR_S t9, PT_R25(sp) + PTR_S s8, PT_R30(sp) + PTR_S gp, PT_R28(sp) + +1: + PTR_S sp, PT_R29(sp) + PTR_S ra, PT_R1(sp) + PTR_S AT, PT_R31(sp) + + END(ftrace_regs_caller) + +ftrace_common: + PTR_ADDIU a0, AT, -12 //a0 points to B's entry address + move a1, ra //a1 points to return address to A + PTR_L a2, function_trace_op //a2 points to function_trace op + + .globl ftrace_call +ftrace_call: + jal ftrace_stub + move a3, sp //a3 point to frame pointer + +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + .globl ftrace_graph_call +ftrace_graph_call: + nop + nop +#endif + +ftrace_common_return: + PTR_L AT, PT_R1(sp) +ftrace_graph_return: + PTR_L ra, PT_R31(sp) + PTR_L a0, PT_R4(sp) + PTR_L a1, PT_R5(sp) + PTR_L a2, PT_R6(sp) + PTR_L a3, PT_R7(sp) +#ifdef CONFIG_64BIT + PTR_L a4, PT_R8(sp) + PTR_L a5, PT_R9(sp) + PTR_L a6, PT_R10(sp) + PTR_L a7, PT_R11(sp) +#endif + PTR_ADDIU sp, sp, PT_SIZE //retore stack frame + jr ra + move ra, AT + + + .globl ftrace_stub +ftrace_stub: + jr ra + nop + +#ifdef CONFIG_FUNCTION_GRAPH_TRACER + .globl ftrace_graph_caller +ftrace_graph_caller: + PTR_L a0, PT_R1(sp) + PTR_L a1, PT_R31(sp) + jal prepare_ftrace_return + PTR_ADDIU a2, sp, PT_SIZE + + b ftrace_graph_return + move AT, v0 + + + .align 2 + .globl return_to_handler +return_to_handler: + PTR_SUBU sp, PT_SIZE + PTR_S v0, PT_R2(sp) + + jal ftrace_return_to_handler + PTR_S v1, PT_R3(sp) + + /* restore the real parent address: v0 -> ra */ + move ra, v0 + + PTR_L v0, PT_R2(sp) + PTR_L v1, PT_R3(sp) + jr ra + PTR_ADDIU sp, PT_SIZE + + .set at + .set reorder +#endif /* CONFIG_FUNCTION_GRAPH_TRACER */ diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c new file mode 100644 index 000000000000..4c8bea1818cb --- /dev/null +++ b/arch/mips/kernel/ftrace.c @@ -0,0 +1,215 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * arch/mips/kernel/ftrace.c + * + * Copyright (C) 2021 Loongson Limited Corp. + * Author: Huang Pei <huangpei@loongson.cn> + */ + +#include <linux/ftrace.h> +#include <linux/module.h> +#include <linux/swab.h> +#include <linux/uaccess.h> + +#include <asm/ftrace.h> +#include <asm/asm.h> +#include <asm/asm-offsets.h> +#include <asm/cacheflush.h> +#include <asm/uasm.h> + + +#define INSN_NOP 0x00000000 /* nop */ +#define INSN_JALR_AT2 0x00200809 /* jalr at, at */ +#define INSN_LI_0 0x240c0000 /* li t0, 0 */ +#define INSN_LI_1 0x240c0001 /* li t0, 1 */ +#define FTRACE_CALL_IP ((unsigned long)(&ftrace_call)) +#define JAL 0x0c000000 /* jump & link: ip --> ra, jump to target */ +#define ADDR_MASK 0x03ffffff /* op_code|addr : 31...26|25 ....0 */ +#define INSN_JAL(addr) \ + ((unsigned int)(JAL | (((addr) >> 2) & ADDR_MASK))) + +extern void ftrace_graph_call(void); + +static unsigned int insn_lui __read_mostly; + +/* Arch override because MIPS doesn't need to run this from stop_machine() */ +void arch_ftrace_update_code(int command) +{ + ftrace_modify_all_code(command); +} + +static int ftrace_modify_code(unsigned long ip, unsigned int new_code) +{ + int faulted; + mm_segment_t old_fs; + + /* *(unsigned int *)ip = new_code; */ + safe_store_code(new_code, ip, faulted); + + if (unlikely(faulted)) + return -EFAULT; + + old_fs = get_fs(); + set_fs(KERNEL_DS); + flush_icache_range(ip, ip + 8); + set_fs(old_fs); + + return 0; +} + +int ftrace_update_ftrace_func(ftrace_func_t func) +{ + unsigned int new; + + new = INSN_JAL((unsigned long)func); + + return ftrace_modify_code(FTRACE_CALL_IP, new); +} + +/* + * enable tracing by replacing the middle nop with jalr, like + * + * lui at, %hi(ftrace_regs_all) + * jalr at, at + * li t0, 0 + */ +int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) +{ + unsigned long ip = rec->ip; + + ftrace_modify_code(ip + 4, INSN_JALR_AT2); + return 0; +} + +/* + * disable recording regs by replacing + * + * li t0, 0 + * + * with + * + * li, t0, 1 + * + * or vesa + */ +int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr, + unsigned long addr) +{ + unsigned long ip = rec->ip; + + if (abs(old_addr - addr) == 4) { + if (addr == (unsigned long)ftrace_regs_caller) + return ftrace_modify_code(ip + 4, INSN_LI_0); + + if (addr == (unsigned long)ftrace_caller) + return ftrace_modify_code(ip + 4, INSN_LI_1); + + } + + /* we do not support direct call or trampoline now */ + + return -1; + +} + +/* + * replace all three nop at the entry with + * + * lui at, %hi(ftrace_regs_all) + * nop + * li t0, 1 + */ + +int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec) +{ + unsigned long ip = rec->ip; + + ftrace_modify_code(ip, insn_lui); + + ftrace_modify_code(ip + 8, INSN_LI_1); + return 0; +} + + + +/* + * disable tracing by replacing + * + * jalr at, at + * + * with + * + * nop + * + */ + +int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec, + unsigned long addr) + +{ + unsigned int new = INSN_NOP; + unsigned long ip = rec->ip + 4; + + return ftrace_modify_code(ip, new); +} + +int __init ftrace_dyn_arch_init(void) +{ + u32 *buf; + int reg; + + reg = 1; + /* lui at, %hi(ftrace_regs_all) */ + buf = (u32*)&insn_lui; + uasm_i_lui(&buf, reg, uasm_rel_hi((long)ftrace_regs_caller)); + + return 0; +} + +#ifdef CONFIG_FUNCTION_GRAPH_TRACER +unsigned long prepare_ftrace_return(unsigned long parent, unsigned long self_ra, + unsigned long fp) +{ + unsigned long return_hooker = (unsigned long)&return_to_handler; + + if (unlikely(ftrace_graph_is_dead())) + goto out; + + if (unlikely(atomic_read(¤t->tracing_graph_pause))) + goto out; + + self_ra -= 8; + if (!function_graph_enter(parent, self_ra, fp, NULL)) + parent = return_hooker; +out: + return parent; +} + +/* + * Turn on/off the call to ftrace_graph_caller() in ftrace_caller() + * depending on @enable. + */ +static int ftrace_modify_graph_caller(bool enable) +{ + unsigned long pc = (unsigned long)ftrace_graph_call; + unsigned new; + + if (enable) + new = INSN_JAL((unsigned long)ftrace_graph_caller); + else + new = INSN_NOP; + + return ftrace_modify_code(pc, new); +} + +int ftrace_enable_ftrace_graph_caller(void) +{ + return ftrace_modify_graph_caller(true); +} + +int ftrace_disable_ftrace_graph_caller(void) +{ + return ftrace_modify_graph_caller(false); +} + +#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
Add another ftrace implementation in parallel with mcount-based ftrace +. Depend on GCC with -fpatchable-function-entry +. Use 3 nops for stub in module and vmlinux, smaller than old one. +. Simplify ftrace_regs_caller/ftrace_caller handling, especially on MIPS O32 +. No adjustment on sp, so callee(the traced function) can get caller's sp, very friendly to livepatch Signed-off-by: Huang Pei <huangpei@loongson.cn> --- arch/mips/Kconfig | 2 + arch/mips/Makefile | 16 ++- arch/mips/include/asm/ftrace.h | 7 ++ arch/mips/kernel/Makefile | 5 +- arch/mips/kernel/entry-ftrace.S | 182 +++++++++++++++++++++++++++ arch/mips/kernel/ftrace.c | 215 ++++++++++++++++++++++++++++++++ 6 files changed, 422 insertions(+), 5 deletions(-) create mode 100644 arch/mips/kernel/entry-ftrace.S create mode 100644 arch/mips/kernel/ftrace.c