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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-18 08:09:40 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-18 08:09:40 -0800 |
| commit | ba4b60e85d6c5fc2242fd24e131a47fb922e5d89 (patch) | |
| tree | 6be918ce3924d0677bc1029f7d1255fef48a8f85 /arch/x86/xen/enlighten.c | |
| parent | 5dba4c56dfa660a85dc8e897990948cdec3734bf (diff) | |
| parent | 6d0abeca3242a88cab8232e4acd7e2bf088f3bc2 (diff) | |
Merge 3.14-rc3 into char-misc-next
We need the fixes here for future mei and other patches.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/xen/enlighten.c')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index a4d7b647867..201d09a7c46 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1473,6 +1473,18 @@ static void xen_pvh_set_cr_flags(int cpu) * X86_CR0_TS, X86_CR0_PE, X86_CR0_ET are set by Xen for HVM guests * (which PVH shared codepaths), while X86_CR0_PG is for PVH. */ write_cr0(read_cr0() | X86_CR0_MP | X86_CR0_NE | X86_CR0_WP | X86_CR0_AM); + + if (!cpu) + return; + /* + * For BSP, PSE PGE are set in probe_page_size_mask(), for APs + * set them here. For all, OSFXSR OSXMMEXCPT are set in fpu_init. + */ + if (cpu_has_pse) + set_in_cr4(X86_CR4_PSE); + + if (cpu_has_pge) + set_in_cr4(X86_CR4_PGE); } /* |