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Subject[PATCH 1/5] KVM: x86: Shrink struct kvm_pmu
Date
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>
---
arch/x86/include/asm/kvm_host.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 6aaae18f1854..43329c60a6b5 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -516,6 +516,7 @@ struct kvm_pmc {
#define KVM_PMC_MAX_FIXED 3
#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;
@@ -528,7 +529,6 @@ 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;
--
2.39.1
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