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OpenCloudOS-Kernel
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KVM: MMU: move FNAME(is_rsvd_bits_set) to mmu.c 

FNAME(is_rsvd_bits_set) does not depend on guest mmu mode, move it
to mmu.c to stop being compiled multiple times

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Xiao Guangrong 2015-08-05 12:04:20 +08:00 committed by Paolo Bonzini
parent 6f691251c0
commit d2b0f98125
2 changed files with 10 additions and 11 deletions
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8
arch/x86/kvm/mmu.c
View File

@ -3546,6 +3546,14 @@ static inline bool is_last_gpte(struct kvm_mmu *mmu, unsigned level, unsigned gp
return mmu->last_pte_bitmap & (1 << index);
}
static bool is_rsvd_bits_set(struct kvm_mmu *mmu, u64 gpte, int level)
{
int bit7 = (gpte >> 7) & 1, low6 = gpte & 0x3f;
return (gpte & mmu->rsvd_bits_mask[bit7][level-1]) |
((mmu->bad_mt_xwr & (1ull << low6)) != 0);
}
#define PTTYPE_EPT 18 /* arbitrary */
#define PTTYPE PTTYPE_EPT
#include "paging_tmpl.h"

13
arch/x86/kvm/paging_tmpl.h
View File

@ -128,14 +128,6 @@ static inline void FNAME(protect_clean_gpte)(unsigned *access, unsigned gpte)
*access &= mask;
}
static bool FNAME(is_rsvd_bits_set)(struct kvm_mmu *mmu, u64 gpte, int level)
{
int bit7 = (gpte >> 7) & 1, low6 = gpte & 0x3f;
return (gpte & mmu->rsvd_bits_mask[bit7][level-1]) |
((mmu->bad_mt_xwr & (1ull << low6)) != 0);
}
static inline int FNAME(is_present_gpte)(unsigned long pte)
{
#if PTTYPE != PTTYPE_EPT
@ -172,7 +164,7 @@ static bool FNAME(prefetch_invalid_gpte)(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *sp, u64 *spte,
u64 gpte)
{
if (FNAME(is_rsvd_bits_set)(&vcpu->arch.mmu, gpte, PT_PAGE_TABLE_LEVEL))
if (is_rsvd_bits_set(&vcpu->arch.mmu, gpte, PT_PAGE_TABLE_LEVEL))
goto no_present;
if (!FNAME(is_present_gpte)(gpte))
@ -353,8 +345,7 @@ retry_walk:
if (unlikely(!FNAME(is_present_gpte)(pte)))
goto error;
if (unlikely(FNAME(is_rsvd_bits_set)(mmu, pte,
walker->level))) {
if (unlikely(is_rsvd_bits_set(mmu, pte, walker->level))) {
errcode |= PFERR_RSVD_MASK | PFERR_PRESENT_MASK;
goto error;
}