x86/msr: Fix XEN_MSR_PAT to build with older binutils
diff mbox series

Message ID 20200429213901.16105-1-andrew.cooper3@citrix.com
State New
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Series
  • x86/msr: Fix XEN_MSR_PAT to build with older binutils
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Commit Message

Andrew Cooper April 29, 2020, 9:39 p.m. UTC
Older binutils complains with:
  trampoline.S:95: Error: junk `ul&0xffffffff' after expression

Use an assembly-safe constant.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
CC: Jan Beulich <JBeulich@suse.com>
CC: Wei Liu <wl@xen.org>
CC: Roger Pau Monné <roger.pau@citrix.com>
---
 xen/include/asm-x86/processor.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Jan Beulich April 30, 2020, 6:50 a.m. UTC | #1
On 29.04.2020 23:39, Andrew Cooper wrote:
> Older binutils complains with:
>   trampoline.S:95: Error: junk `ul&0xffffffff' after expression
> 
> Use an assembly-safe constant.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>

Acked-by: Jan Beulich <jbeulich@suse.com>

Patch
diff mbox series

diff --git a/xen/include/asm-x86/processor.h b/xen/include/asm-x86/processor.h
index ea6e5497f4..8f6f5a97dd 100644
--- a/xen/include/asm-x86/processor.h
+++ b/xen/include/asm-x86/processor.h
@@ -99,7 +99,7 @@ 
  * Host IA32_CR_PAT value to cover all memory types.  This is not the default
  * MSR_PAT value, and is an ABI with PV guests.
  */
-#define XEN_MSR_PAT 0x050100070406ul
+#define XEN_MSR_PAT _AC(0x050100070406, ULL)
 
 #ifndef __ASSEMBLY__