From 092cae024ab6cd9bd5788eb6ca3ae1a05e796c0a Mon Sep 17 00:00:00 2001 From: Julien Grall Date: Wed, 2 Aug 2023 16:47:05 +0100 Subject: [PATCH] xen/x86: Constify the vCPU parameter for expand_xsave_states() expand_xsave_states() is not meant to modify the vCPU. So the parameter can be const. Signed-off-by: Julien Grall Acked-by: Jan Beulich --- xen/arch/x86/include/asm/xstate.h | 2 +- xen/arch/x86/xstate.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/xen/arch/x86/include/asm/xstate.h b/xen/arch/x86/include/asm/xstate.h index 7ab0bdde89..c08c267884 100644 --- a/xen/arch/x86/include/asm/xstate.h +++ b/xen/arch/x86/include/asm/xstate.h @@ -100,7 +100,7 @@ int __must_check validate_xstate(const struct domain *d, uint64_t xcr0, uint64_t xcr0_accum, const struct xsave_hdr *hdr); int __must_check handle_xsetbv(u32 index, u64 new_bv); -void expand_xsave_states(struct vcpu *v, void *dest, unsigned int size); +void expand_xsave_states(const struct vcpu *v, void *dest, unsigned int size); void compress_xsave_states(struct vcpu *v, const void *src, unsigned int size); /* extended state init and cleanup functions */ diff --git a/xen/arch/x86/xstate.c b/xen/arch/x86/xstate.c index 92496f3795..3d566252ea 100644 --- a/xen/arch/x86/xstate.c +++ b/xen/arch/x86/xstate.c @@ -172,7 +172,7 @@ static void setup_xstate_comp(uint16_t *comp_offsets, * It is the callers responsibility to ensure that there is xsave state to * serialise, and that the provided buffer is exactly the right size. */ -void expand_xsave_states(struct vcpu *v, void *dest, unsigned int size) +void expand_xsave_states(const struct vcpu *v, void *dest, unsigned int size) { const struct xsave_struct *xsave = v->arch.xsave_area; const void *src;