From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, Andy Lutomirski <luto@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Fenghua Yu <fenghua.yu@intel.com>,
Tony Luck <tony.luck@intel.com>,
Yu-cheng Yu <yu-cheng.yu@intel.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: [patch V2 10/14] x86/fpu: Rename fpu__clear_all() to fpu_flush_thread()
Date: Sun, 06 Jun 2021 01:47:52 +0200 [thread overview]
Message-ID: <20210606001323.954313826@linutronix.de> (raw)
In-Reply-To: 20210605234742.712464974@linutronix.de
Make it clear what the function is about.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
V2: New patch
---
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(-)
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -33,9 +33,10 @@ extern int fpu__restore_sig(void __user
extern void fpu__drop(struct fpu *fpu);
extern int fpu__copy(struct task_struct *dst, struct task_struct *src);
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_flush_thread(void);
+
/*
* Boot time FPU initialization functions:
*/
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -402,9 +402,9 @@ void fpu__clear_user_states(struct fpu *
fpu__clear(fpu, true);
}
-void fpu__clear_all(struct fpu *fpu)
+void fpu_flush_thread(void)
{
- fpu__clear(fpu, false);
+ fpu__clear(¤t->thread.fpu, false);
}
/*
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -206,7 +206,7 @@ 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)
next prev parent reply other threads:[~2021-06-06 0:32 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-05 23:47 [patch V2 00/14] x86/fpu: Mop up XSAVES and related damage Thomas Gleixner
2021-06-05 23:47 ` [patch V2 01/14] selftests/x86: Test signal frame XSTATE header corruption handling Thomas Gleixner
2021-06-05 23:47 ` [patch V2 02/14] x86/fpu: Prevent state corruption in __fpu__restore_sig() Thomas Gleixner
2021-06-07 8:49 ` Borislav Petkov
2021-06-05 23:47 ` [patch V2 03/14] x86/fpu: Invalidate FPU state after a failed XRSTOR from a user buffer Thomas Gleixner
2021-06-05 23:47 ` [patch V2 04/14] x86/pkru: Make the fpinit state update work Thomas Gleixner
2021-06-07 15:18 ` Borislav Petkov
2021-06-05 23:47 ` [patch V2 05/14] x86/fpu: Limit xstate copy size in xstateregs_set() Thomas Gleixner
2021-06-05 23:47 ` [patch V2 06/14] x86/fpu: Sanitize xstateregs_set() Thomas Gleixner
2021-06-07 19:39 ` Borislav Petkov
2021-06-05 23:47 ` [patch V2 07/14] x86/fpu: Add address range checks to copy_user_to_xstate() Thomas Gleixner
2021-06-05 23:47 ` [patch V2 08/14] x86/fpu: Move inlines where they belong Thomas Gleixner
2021-06-05 23:47 ` [patch V2 09/14] x86/cpu: Sanitize X86_FEATURE_OSPKE Thomas Gleixner
2021-06-05 23:47 ` Thomas Gleixner [this message]
2021-06-05 23:47 ` [patch V2 11/14] x86/pkru: Provide pkru_get_init_value() Thomas Gleixner
2021-06-05 23:47 ` [patch V2 12/14] x86/fpu: Clean up the fpu__clear() variants Thomas Gleixner
2021-06-05 23:47 ` [patch V2 13/14] x86/fpu: Rename xstate copy functions which are related to UABI Thomas Gleixner
2021-06-05 23:47 ` [patch V2 14/14] x86/fpu: Deduplicate copy_uabi_from_user/kernel_to_xstate() Thomas Gleixner
2021-06-07 13:02 ` [patch V2 00/14] x86/fpu: Mop up XSAVES and related damage Thomas Gleixner
2021-06-07 13:36 ` Dave Hansen
2021-06-07 14:08 ` Thomas Gleixner
2021-06-07 16:38 ` Dave Hansen
2021-06-07 22:51 ` Thomas Gleixner
2021-06-08 14:47 ` Dave Hansen
2021-06-08 11:17 ` Thomas Gleixner
2021-06-08 12:27 ` Thomas Gleixner
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