[tip: x86/merge] x86/fpu: Use 'fpstate' variable names consistently

[tip-bot2 for Ingo Molnar]

The following commit has been merged into the x86/merge branch of tip:

Commit-ID:     8b2a7a7294b34fa00adbecbd352ef19eb780261b
Gitweb:        https://git.kernel.org/tip/8b2a7a7294b34fa00adbecbd352ef19eb780261b
Author:        Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate:    Wed, 09 Apr 2025 23:11:27 +02:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Mon, 14 Apr 2025 08:18:29 +02:00

x86/fpu: Use 'fpstate' variable names consistently

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>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Chang S. Bae <chang.seok.bae@xxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20250409211127.3544993-9-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 f42de5f..8e6848f 100644
--- a/arch/x86/include/asm/fpu/api.h
+++ b/arch/x86/include/asm/fpu/api.h
@@ -136,7 +136,7 @@ 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 4d1a205..d0a45f6 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -273,16 +273,16 @@ 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);
 
@@ -333,12 +333,12 @@ 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 4c771b9..a288597 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -1431,9 +1431,9 @@ 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]);