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authorMathias Krause <minipli@grsecurity.net>2023-02-17 20:33:35 +0100
committerSean Christopherson <seanjc@google.com>2023-03-23 16:10:01 -0700
commit12aad9164763bb4890277d3b2a4664f443a48e3f (patch)
treec44b6e178ee74a84eecf8a0f23fbbb1f14f4601e /arch/x86
parentd8708b80fa0e6e21bc0c9e7276ad0bccef73b6e7 (diff)
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KVM: x86: Shrink struct kvm_pmu
Move the 'version' member to the beginning of the structure to reuse an existing hole instead of introducing another one. This allows us to save 8 bytes for 64 bit builds. Signed-off-by: Mathias Krause <minipli@grsecurity.net> Link: https://lore.kernel.org/r/20230217193336.15278-2-minipli@grsecurity.net Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/kvm_host.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index a45de1118a42..a440ceae06fb 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -515,6 +515,7 @@ struct kvm_pmc {
#define MSR_ARCH_PERFMON_FIXED_CTR_MAX (MSR_ARCH_PERFMON_FIXED_CTR0 + KVM_PMC_MAX_FIXED - 1)
#define KVM_AMD_PMC_MAX_GENERIC 6
struct kvm_pmu {
+ u8 version;
unsigned nr_arch_gp_counters;
unsigned nr_arch_fixed_counters;
unsigned available_event_types;
@@ -527,7 +528,6 @@ struct kvm_pmu {
u64 global_ovf_ctrl_mask;
u64 reserved_bits;
u64 raw_event_mask;
- u8 version;
struct kvm_pmc gp_counters[KVM_INTEL_PMC_MAX_GENERIC];
struct kvm_pmc fixed_counters[KVM_PMC_MAX_FIXED];
struct irq_work irq_work;