[PATCH 8/9] x86/fpu: Use 'fpstate' variable names consistently

From: Ingo Molnar
Date: Sat Jun 08 2024 - 03:33:41 EST


A few uses of 'fps' snuck in, which is rather confusing
(to me) as it suggests frames-per-second. ;-)

Rename them to the canonical 'fpstate' name.

No change in functionality.

Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/include/asm/fpu/api.h | 2 +-
arch/x86/kernel/fpu/core.c | 14 +++++++-------
arch/x86/kernel/fpu/xstate.c | 4 ++--
3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/x86/include/asm/fpu/api.h b/arch/x86/include/asm/fpu/api.h
index f86ad3335529..708ea13ab2b0 100644
--- a/arch/x86/include/asm/fpu/api.h
+++ b/arch/x86/include/asm/fpu/api.h
@@ -139,7 +139,7 @@ static inline void fpstate_free(struct fpu *fpu) { }
#endif

/* fpstate-related functions which are exported to KVM */
-extern void fpstate_clear_xstate_component(struct fpstate *fps, unsigned int xfeature);
+extern void fpstate_clear_xstate_component(struct fpstate *fpstate, unsigned int xfeature);

extern u64 xstate_get_guest_group_perm(void);

diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index db608afa686f..6aef0116add4 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -266,16 +266,16 @@ EXPORT_SYMBOL_GPL(fpu_alloc_guest_fpstate);

void fpu_free_guest_fpstate(struct fpu_guest *gfpu)
{
- struct fpstate *fps = gfpu->fpstate;
+ struct fpstate *fpstate = gfpu->fpstate;

- if (!fps)
+ if (!fpstate)
return;

- if (WARN_ON_ONCE(!fps->is_valloc || !fps->is_guest || fps->in_use))
+ if (WARN_ON_ONCE(!fpstate->is_valloc || !fpstate->is_guest || fpstate->in_use))
return;

gfpu->fpstate = NULL;
- vfree(fps);
+ vfree(fpstate);
}
EXPORT_SYMBOL_GPL(fpu_free_guest_fpstate);

@@ -326,12 +326,12 @@ EXPORT_SYMBOL_GPL(fpu_update_guest_xfd);
*/
void fpu_sync_guest_vmexit_xfd_state(void)
{
- struct fpstate *fps = x86_task_fpu(current)->fpstate;
+ struct fpstate *fpstate = x86_task_fpu(current)->fpstate;

lockdep_assert_irqs_disabled();
if (fpu_state_size_dynamic()) {
- rdmsrl(MSR_IA32_XFD, fps->xfd);
- __this_cpu_write(xfd_state, fps->xfd);
+ rdmsrl(MSR_IA32_XFD, fpstate->xfd);
+ __this_cpu_write(xfd_state, fpstate->xfd);
}
}
EXPORT_SYMBOL_GPL(fpu_sync_guest_vmexit_xfd_state);
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 1f37da22ddbe..68dea76b4afc 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -1392,9 +1392,9 @@ void xrstors(struct xregs_state *xstate, u64 mask)
}

#if IS_ENABLED(CONFIG_KVM)
-void fpstate_clear_xstate_component(struct fpstate *fps, unsigned int xfeature)
+void fpstate_clear_xstate_component(struct fpstate *fpstate, unsigned int xfeature)
{
- void *addr = get_xsave_addr(&fps->regs.xsave, xfeature);
+ void *addr = get_xsave_addr(&fpstate->regs.xsave, xfeature);

if (addr)
memset(addr, 0, xstate_sizes[xfeature]);
--
2.43.0