diff mbox series

[net-next] net/iucv: fix virtual vs physical address confusion

Message ID 20240214084707.2075331-1-wintera@linux.ibm.com (mailing list archive)
State Accepted
Commit 2210c5485e4331d0abd7a0296f10178d1dc25cd2
Delegated to: Netdev Maintainers
Headers show
Series [net-next] net/iucv: fix virtual vs physical address confusion | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 1 maintainers not CCed: twinkler@linux.ibm.com
netdev/build_clang success Errors and warnings before: 8 this patch: 8
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 58 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-02-15--00-00 (tests: 1443)

Commit Message

Alexandra Winter Feb. 14, 2024, 8:47 a.m. UTC 
From: Alexander Gordeev <agordeev@linux.ibm.com>

Fix virtual vs physical address confusion. This does not fix a bug
since virtual and physical address spaces are currently the same.

Acked-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
---
 net/iucv/iucv.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

Comments

patchwork-bot+netdevbpf@kernel.org Feb. 16, 2024, 8:50 a.m. UTC | #1 
Hello:

This patch was applied to netdev/net-next.git (main)
by David S. Miller <davem@davemloft.net>:

On Wed, 14 Feb 2024 09:47:07 +0100 you wrote:
> From: Alexander Gordeev <agordeev@linux.ibm.com>
> 
> Fix virtual vs physical address confusion. This does not fix a bug
> since virtual and physical address spaces are currently the same.
> 
> Acked-by: Alexandra Winter <wintera@linux.ibm.com>
> Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
> 
> [...]

Here is the summary with links:
  - [net-next] net/iucv: fix virtual vs physical address confusion
    https://git.kernel.org/netdev/net-next/c/2210c5485e43

You are awesome, thank you!
diff mbox series

Patch

diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 6334f64f04d5..9e62783e6acb 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -286,6 +286,7 @@  static union iucv_param *iucv_param_irq[NR_CPUS];
  */
 static inline int __iucv_call_b2f0(int command, union iucv_param *parm)
 {
+	unsigned long reg1 = virt_to_phys(parm);
 	int cc;
 
 	asm volatile(
@@ -296,7 +297,7 @@  static inline int __iucv_call_b2f0(int command, union iucv_param *parm)
 		"	srl	%[cc],28\n"
 		: [cc] "=&d" (cc), "+m" (*parm)
 		: [reg0] "d" ((unsigned long)command),
-		  [reg1] "d" ((unsigned long)parm)
+		  [reg1] "d" (reg1)
 		: "cc", "0", "1");
 	return cc;
 }
@@ -1123,7 +1124,7 @@  int __iucv_message_receive(struct iucv_path *path, struct iucv_message *msg,
 
 	parm = iucv_param[smp_processor_id()];
 	memset(parm, 0, sizeof(union iucv_param));
-	parm->db.ipbfadr1 = (u32)(addr_t) buffer;
+	parm->db.ipbfadr1 = (u32)virt_to_phys(buffer);
 	parm->db.ipbfln1f = (u32) size;
 	parm->db.ipmsgid = msg->id;
 	parm->db.ippathid = path->pathid;
@@ -1241,7 +1242,7 @@  int iucv_message_reply(struct iucv_path *path, struct iucv_message *msg,
 		parm->dpl.iptrgcls = msg->class;
 		memcpy(parm->dpl.iprmmsg, reply, min_t(size_t, size, 8));
 	} else {
-		parm->db.ipbfadr1 = (u32)(addr_t) reply;
+		parm->db.ipbfadr1 = (u32)virt_to_phys(reply);
 		parm->db.ipbfln1f = (u32) size;
 		parm->db.ippathid = path->pathid;
 		parm->db.ipflags1 = flags;
@@ -1293,7 +1294,7 @@  int __iucv_message_send(struct iucv_path *path, struct iucv_message *msg,
 		parm->dpl.ipmsgtag = msg->tag;
 		memcpy(parm->dpl.iprmmsg, buffer, 8);
 	} else {
-		parm->db.ipbfadr1 = (u32)(addr_t) buffer;
+		parm->db.ipbfadr1 = (u32)virt_to_phys(buffer);
 		parm->db.ipbfln1f = (u32) size;
 		parm->db.ippathid = path->pathid;
 		parm->db.ipflags1 = flags | IUCV_IPNORPY;
@@ -1378,7 +1379,7 @@  int iucv_message_send2way(struct iucv_path *path, struct iucv_message *msg,
 		parm->dpl.iptrgcls = msg->class;
 		parm->dpl.ipsrccls = srccls;
 		parm->dpl.ipmsgtag = msg->tag;
-		parm->dpl.ipbfadr2 = (u32)(addr_t) answer;
+		parm->dpl.ipbfadr2 = (u32)virt_to_phys(answer);
 		parm->dpl.ipbfln2f = (u32) asize;
 		memcpy(parm->dpl.iprmmsg, buffer, 8);
 	} else {
@@ -1387,9 +1388,9 @@  int iucv_message_send2way(struct iucv_path *path, struct iucv_message *msg,
 		parm->db.iptrgcls = msg->class;
 		parm->db.ipsrccls = srccls;
 		parm->db.ipmsgtag = msg->tag;
-		parm->db.ipbfadr1 = (u32)(addr_t) buffer;
+		parm->db.ipbfadr1 = (u32)virt_to_phys(buffer);
 		parm->db.ipbfln1f = (u32) size;
-		parm->db.ipbfadr2 = (u32)(addr_t) answer;
+		parm->db.ipbfadr2 = (u32)virt_to_phys(answer);
 		parm->db.ipbfln2f = (u32) asize;
 	}
 	rc = iucv_call_b2f0(IUCV_SEND, parm);