[tip: x86/fpu] x86/fpu: Rename fpu__clear_all() to fpu_flush_thread()

["tip-bot2 for Thomas Gleixner" <tip-bot2@xxxxxxxxxxxxx>]

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

Commit-ID:     e7ecad17c84d0f6bef635c20d02bbe4096eea700
Gitweb:        https://git.kernel.org/tip/e7ecad17c84d0f6bef635c20d02bbe4096eea700
Author:        Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate:    Wed, 23 Jun 2021 14:02:12 +02:00
Committer:     Borislav Petkov <bp@xxxxxxx>
CommitterDate: Wed, 23 Jun 2021 19:20:10 +02:00

x86/fpu: Rename fpu__clear_all() to fpu_flush_thread()

Make it clear what the function is about.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Reviewed-by: Borislav Petkov <bp@xxxxxxx>
Link: https://lkml.kernel.org/r/20210623121455.827979263@xxxxxxxxxxxxx
---
 arch/x86/include/asm/fpu/internal.h | 3 ++-
 arch/x86/kernel/fpu/core.c          | 4 ++--
 arch/x86/kernel/process.c           | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index f5da2e9..dabbb70 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -29,12 +29,13 @@
 extern int  fpu__restore_sig(void __user *buf, int ia32_frame);
 extern void fpu__drop(struct fpu *fpu);
 extern void fpu__clear_user_states(struct fpu *fpu);
-extern void fpu__clear_all(struct fpu *fpu);
 extern int  fpu__exception_code(struct fpu *fpu, int trap_nr);
 
 extern void fpu_sync_fpstate(struct fpu *fpu);
 
+/* Clone and exit operations */
 extern int  fpu_clone(struct task_struct *dst);
+extern void fpu_flush_thread(void);
 
 /*
  * Boot time FPU initialization functions:
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index fedadcb..4b69be9 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -350,9 +350,9 @@ void fpu__clear_user_states(struct fpu *fpu)
 	fpu__clear(fpu, true);
 }
 
-void fpu__clear_all(struct fpu *fpu)
+void fpu_flush_thread(void)
 {
-	fpu__clear(fpu, false);
+	fpu__clear(&current->thread.fpu, false);
 }
 
 /*
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index af3db53..19d05d3 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -205,7 +205,7 @@ void flush_thread(void)
 	flush_ptrace_hw_breakpoint(tsk);
 	memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array));
 
-	fpu__clear_all(&tsk->thread.fpu);
+	fpu_flush_thread();
 }
 
 void disable_TSC(void)