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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-12-11 11:18:45 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-12-11 11:18:45 -0200
commit9374020a78fce13a1cf2edf3d26f6dd7231b5c3d (patch)
tree50c8629e6c6222c5b9681506b52afbde818c5e56 /arch/x86/kvm/vmx.c
parentd2a0db1ee01aea154ccc460e45a16857e32c4427 (diff)
parent29594404d7fe73cd80eaa4ee8c43dcc53970c60e (diff)
Merge tag 'v3.7' into v4l_for_linus
Linux 3.7 * tag 'v3.7': (1545 commits) Linux 3.7 Input: matrix-keymap - provide proper module license Revert "revert "Revert "mm: remove __GFP_NO_KSWAPD""" and associated damage ipv4: ip_check_defrag must not modify skb before unsharing Revert "mm: avoid waking kswapd for THP allocations when compaction is deferred or contended" inet_diag: validate port comparison byte code to prevent unsafe reads inet_diag: avoid unsafe and nonsensical prefix matches in inet_diag_bc_run() inet_diag: validate byte code to prevent oops in inet_diag_bc_run() inet_diag: fix oops for IPv4 AF_INET6 TCP SYN-RECV state mm: vmscan: fix inappropriate zone congestion clearing vfs: fix O_DIRECT read past end of block device net: gro: fix possible panic in skb_gro_receive() tcp: bug fix Fast Open client retransmission tmpfs: fix shared mempolicy leak mm: vmscan: do not keep kswapd looping forever due to individual uncompactable zones mm: compaction: validate pfn range passed to isolate_freepages_block mmc: sh-mmcif: avoid oops on spurious interrupts (second try) Revert misapplied "mmc: sh-mmcif: avoid oops on spurious interrupts" mmc: sdhci-s3c: fix missing clock for gpio card-detect lib/Makefile: Fix oid_registry build dependency ...
Diffstat (limited to 'arch/x86/kvm/vmx.c')
-rw-r--r--arch/x86/kvm/vmx.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ad6b1dd06f8..f85815945fc 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -6549,19 +6549,22 @@ static void vmx_cpuid_update(struct kvm_vcpu *vcpu)
}
}
- exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL);
/* Exposing INVPCID only when PCID is exposed */
best = kvm_find_cpuid_entry(vcpu, 0x7, 0);
if (vmx_invpcid_supported() &&
best && (best->ebx & bit(X86_FEATURE_INVPCID)) &&
guest_cpuid_has_pcid(vcpu)) {
+ exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL);
exec_control |= SECONDARY_EXEC_ENABLE_INVPCID;
vmcs_write32(SECONDARY_VM_EXEC_CONTROL,
exec_control);
} else {
- exec_control &= ~SECONDARY_EXEC_ENABLE_INVPCID;
- vmcs_write32(SECONDARY_VM_EXEC_CONTROL,
- exec_control);
+ if (cpu_has_secondary_exec_ctrls()) {
+ exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL);
+ exec_control &= ~SECONDARY_EXEC_ENABLE_INVPCID;
+ vmcs_write32(SECONDARY_VM_EXEC_CONTROL,
+ exec_control);
+ }
if (best)
best->ebx &= ~bit(X86_FEATURE_INVPCID);
}