Displaying 5 results from an estimated 5 matches for "x86_feature_sync_rdtsc".
2007 Apr 18
0
[RFC/PATCH PV_OPS X86_64 13/17] paravirt_ops - time updates
...-31,14 +31,29 @@ static __always_inline cycles_t get_cycl
{
unsigned long long ret;
unsigned eax;
+ unsigned int (*fn)(unsigned int) = &cpuid_eax;
/* Don't do an additional sync on CPUs where we know
RDTSC is already synchronous. */
- alternative_io("cpuid", ASM_NOP2, X86_FEATURE_SYNC_RDTSC,
- "=a" (eax), "0" (1) : "ebx","ecx","edx","memory");
+ alternative_io("call *%3", ASM_NOP2, X86_FEATURE_SYNC_RDTSC,
+ "=a" (eax) , "D" (1) , "m" (fn));
rdtscll(ret);
return ret;
}
+/* I...
2007 Apr 18
0
[RFC/PATCH PV_OPS X86_64 13/17] paravirt_ops - time updates
...-31,14 +31,29 @@ static __always_inline cycles_t get_cycl
{
unsigned long long ret;
unsigned eax;
+ unsigned int (*fn)(unsigned int) = &cpuid_eax;
/* Don't do an additional sync on CPUs where we know
RDTSC is already synchronous. */
- alternative_io("cpuid", ASM_NOP2, X86_FEATURE_SYNC_RDTSC,
- "=a" (eax), "0" (1) : "ebx","ecx","edx","memory");
+ alternative_io("call *%3", ASM_NOP2, X86_FEATURE_SYNC_RDTSC,
+ "=a" (eax) , "D" (1) , "m" (fn));
rdtscll(ret);
return ret;
}
+/* I...
2007 Apr 18
0
[PATCH] paravirt_ops x86_64 , take 2
...-31,14 +31,29 @@ static __always_inline cycles_t get_cycl
{
unsigned long long ret;
unsigned eax;
+ unsigned int (*fn)(unsigned int) = &cpuid_eax;
/* Don't do an additional sync on CPUs where we know
RDTSC is already synchronous. */
- alternative_io("cpuid", ASM_NOP2, X86_FEATURE_SYNC_RDTSC,
- "=a" (eax), "0" (1) : "ebx","ecx","edx","memory");
+ alternative_io("call *%3", ASM_NOP2, X86_FEATURE_SYNC_RDTSC,
+ "=a" (eax) , "D" (1) , "m" (fn));
rdtscll(ret);
return ret;
}
+/* I...
2007 Apr 18
0
[PATCH] paravirt_ops x86_64 , take 2
...-31,14 +31,29 @@ static __always_inline cycles_t get_cycl
{
unsigned long long ret;
unsigned eax;
+ unsigned int (*fn)(unsigned int) = &cpuid_eax;
/* Don't do an additional sync on CPUs where we know
RDTSC is already synchronous. */
- alternative_io("cpuid", ASM_NOP2, X86_FEATURE_SYNC_RDTSC,
- "=a" (eax), "0" (1) : "ebx","ecx","edx","memory");
+ alternative_io("call *%3", ASM_NOP2, X86_FEATURE_SYNC_RDTSC,
+ "=a" (eax) , "D" (1) , "m" (fn));
rdtscll(ret);
return ret;
}
+/* I...
2006 Jul 26
5
linux-2.6-xen.hg
Hi,
Is the http://xenbits.xensource.com/linux-2.6-xen.hg tree still being
updated? if not, what''s the preferred Linux tree to track that has all
of the Xen bits?
Thanks,
Muli
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