diff options
| author | Matt Wilson <msw@amazon.com> | 2013-08-30 10:54:00 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2013-08-30 10:54:00 +0200 |
| commit | a9758fb369c558dacccf67800b178ab77a17d011 (patch) | |
| tree | 5276112e16eb2fd8c2fe79367022080090330d87 /xen | |
| parent | 7ab9e14530c58be4aa30c811bfaef35f64bdd90d (diff) | |
| download | xen-a9758fb369c558dacccf67800b178ab77a17d011.tar.gz xen-a9758fb369c558dacccf67800b178ab77a17d011.tar.bz2 xen-a9758fb369c558dacccf67800b178ab77a17d011.zip | |
x86: remove X86_INTEL_USERCOPY code
Nothing defines CONFIG_X86_INTEL_USERCOPY, and as far as I can tell it
was never used even when Xen supported 32-bit x86.
Signed-off-by: Matt Wilson <msw@amazon.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Diffstat (limited to 'xen')
| -rw-r--r-- | xen/arch/x86/cpu/intel.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/xen/arch/x86/cpu/intel.c b/xen/arch/x86/cpu/intel.c index 9b71d36d9e..072ecbc024 100644 --- a/xen/arch/x86/cpu/intel.c +++ b/xen/arch/x86/cpu/intel.c @@ -18,13 +18,6 @@ #define select_idle_routine(x) ((void)0) -#ifdef CONFIG_X86_INTEL_USERCOPY -/* - * Alignment at which movsl is preferred for bulk memory copies. - */ -struct movsl_mask movsl_mask __read_mostly; -#endif - static unsigned int probe_intel_cpuid_faulting(void) { uint64_t x; @@ -229,20 +222,6 @@ static void __devinit init_intel(struct cpuinfo_x86 *c) /* Work around errata */ Intel_errata_workarounds(c); -#ifdef CONFIG_X86_INTEL_USERCOPY - /* - * Set up the preferred alignment for movsl bulk memory moves - */ - switch (c->x86) { - case 6: /* PII/PIII only like movsl with 8-byte alignment */ - movsl_mask.mask = 7; - break; - case 15: /* P4 is OK down to 8-byte alignment */ - movsl_mask.mask = 7; - break; - } -#endif - if ((c->x86 == 0xf && c->x86_model >= 0x03) || (c->x86 == 0x6 && c->x86_model >= 0x0e)) set_bit(X86_FEATURE_CONSTANT_TSC, c->x86_capability); |