diff mbox series

x86: drop cpu_has_ffxsr

Message ID 55bcfe11-251c-606e-6f0f-a03880efa390@suse.com (mailing list archive)
State New, archived
Headers show
Series x86: drop cpu_has_ffxsr | expand

Commit Message

Jan Beulich April 24, 2020, 10:24 a.m. UTC 
It's definition is bogus when it comes to Hygon CPUs, but since we don't
use it anywhere drop it rather than correcting it.

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

Comments

Andrew Cooper April 24, 2020, 10:30 a.m. UTC | #1 
On 24/04/2020 11:24, Jan Beulich wrote:
> It's definition is bogus when it comes to Hygon CPUs, but since we don't
> use it anywhere drop it rather than correcting it.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

I had wondered about that too.

Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
diff mbox series

Patch

--- a/xen/include/asm-x86/cpufeature.h
+++ b/xen/include/asm-x86/cpufeature.h
@@ -66,8 +66,6 @@ 
 
 /* CPUID level 0x80000001.edx */
 #define cpu_has_nx              boot_cpu_has(X86_FEATURE_NX)
-#define cpu_has_ffxsr           ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) \
-                                 && boot_cpu_has(X86_FEATURE_FFXSR))
 #define cpu_has_page1gb         boot_cpu_has(X86_FEATURE_PAGE1GB)
 #define cpu_has_rdtscp          boot_cpu_has(X86_FEATURE_RDTSCP)
 #define cpu_has_3dnow_ext       boot_cpu_has(X86_FEATURE_3DNOWEXT)