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authorXiao Guangrong <guangrong.xiao@linux.intel.com>2015-08-05 07:04:20 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2015-08-05 13:47:22 +0300
commitd2b0f98125425c72a3f628fbe5498eb55329738b (patch)
treeaff52c3cfb7dcae434464476b047fa02f957c10a /arch
parent6f691251c0350ac52a007c54bf3ef62e9d8cdc5e (diff)
downloadlinux-d2b0f98125425c72a3f628fbe5498eb55329738b.tar.xz
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/mmu.c8
-rw-r--r--arch/x86/kvm/paging_tmpl.h13
2 files changed, 10 insertions, 11 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 82362ad2f25d..d1c18f711e8b 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -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"
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 0f67d7e24800..736e6ab8784d 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -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;
}