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From: "tip-bot2 for Thomas Gleixner" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Borislav Petkov <bp@suse.de>,
	x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip: x86/fpu] x86/math-emu: Convert to fpstate
Date: Thu, 21 Oct 2021 15:12:31 -0000	[thread overview]
Message-ID: <163482915140.25758.6638128318451756940.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20211013145322.711347464@linutronix.de>

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

Commit-ID:     63d6bdf36ce1541e656966604c12ac4d9fc5d1f0
Gitweb:        https://git.kernel.org/tip/63d6bdf36ce1541e656966604c12ac4d9fc5d1f0
Author:        Thomas Gleixner <tglx@linutronix.de>
AuthorDate:    Wed, 13 Oct 2021 16:55:40 +02:00
Committer:     Borislav Petkov <bp@suse.de>
CommitterDate: Wed, 20 Oct 2021 23:57:54 +02:00

x86/math-emu: Convert to fpstate

Convert math emulation code to the new register storage
mechanism in preparation for dynamically sized buffers.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211013145322.711347464@linutronix.de
---
 arch/x86/math-emu/fpu_aux.c    | 2 +-
 arch/x86/math-emu/fpu_entry.c  | 4 ++--
 arch/x86/math-emu/fpu_system.h | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/math-emu/fpu_aux.c b/arch/x86/math-emu/fpu_aux.c
index 0347484..d62662b 100644
--- a/arch/x86/math-emu/fpu_aux.c
+++ b/arch/x86/math-emu/fpu_aux.c
@@ -53,7 +53,7 @@ void fpstate_init_soft(struct swregs_state *soft)
 
 void finit(void)
 {
-	fpstate_init_soft(&current->thread.fpu.state.soft);
+	fpstate_init_soft(&current->thread.fpu.fpstate->regs.soft);
 }
 
 /*
diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c
index 50195e2..7fe56c5 100644
--- a/arch/x86/math-emu/fpu_entry.c
+++ b/arch/x86/math-emu/fpu_entry.c
@@ -640,7 +640,7 @@ int fpregs_soft_set(struct task_struct *target,
 		    unsigned int pos, unsigned int count,
 		    const void *kbuf, const void __user *ubuf)
 {
-	struct swregs_state *s387 = &target->thread.fpu.state.soft;
+	struct swregs_state *s387 = &target->thread.fpu.fpstate->regs.soft;
 	void *space = s387->st_space;
 	int ret;
 	int offset, other, i, tags, regnr, tag, newtop;
@@ -691,7 +691,7 @@ int fpregs_soft_get(struct task_struct *target,
 		    const struct user_regset *regset,
 		    struct membuf to)
 {
-	struct swregs_state *s387 = &target->thread.fpu.state.soft;
+	struct swregs_state *s387 = &target->thread.fpu.fpstate->regs.soft;
 	const void *space = s387->st_space;
 	int offset = (S387->ftop & 7) * 10, other = 80 - offset;
 
diff --git a/arch/x86/math-emu/fpu_system.h b/arch/x86/math-emu/fpu_system.h
index 9b41391..eec3e48 100644
--- a/arch/x86/math-emu/fpu_system.h
+++ b/arch/x86/math-emu/fpu_system.h
@@ -73,7 +73,7 @@ static inline bool seg_writable(struct desc_struct *d)
 	return (d->type & SEG_TYPE_EXECUTE_MASK) == SEG_TYPE_WRITABLE;
 }
 
-#define I387			(&current->thread.fpu.state)
+#define I387			(&current->thread.fpu.fpstate->regs)
 #define FPU_info		(I387->soft.info)
 
 #define FPU_CS			(*(unsigned short *) &(FPU_info->regs->cs))

  reply	other threads:[~2021-10-21 15:13 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-13 14:55 [patch 00/21] x86/fpu: Move register state into a container struct (part 2) Thomas Gleixner
2021-10-13 14:55 ` [patch 01/21] x86/fpu: Provide struct fpstate Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 02/21] x86/fpu: Convert fpstate_init() to " Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 03/21] x86/fpu: Convert restore_fpregs_from_fpstate() " Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 04/21] x86/fpu: Replace KVMs xstate component clearing Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 05/21] x86/KVM: Convert to fpstate Thomas Gleixner
2021-10-13 15:11   ` Paolo Bonzini
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 06/21] x86/fpu: Convert tracing " Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 07/21] x86/fpu/regset: Convert " Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 08/21] x86/fpu/signal: " Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 09/21] x86/fpu/core: " Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 10/21] x86/math-emu: " Thomas Gleixner
2021-10-21 15:12   ` tip-bot2 for Thomas Gleixner [this message]
2021-10-13 14:55 ` [patch 11/21] x86/fpu: Remove fpu::state Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 12/21] x86/fpu: Do not leak fpstate pointer on fork Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 13/21] x86/process: Move arch_thread_struct_whitelist() out of line Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 14/21] x86/fpu: Add size and mask information to fpstate Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 15/21] x86/fpu: Use fpstate::size Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 16/21] x86/fpu/xstate: Use fpstate for os_xsave() Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 17/21] x86/fpu/xstate: Use fpstate for xsave_to_user_sigframe() Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 18/21] x86/fpu: Use fpstate in fpu_copy_kvm_uabi_to_fpstate() Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 19/21] x86/fpu: Use fpstate in __copy_xstate_to_uabi_buf() Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 20/21] x86/fpu/xstate: Use fpstate for copy_uabi_to_xstate() Thomas Gleixner
2021-10-21 15:12   ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner
2021-10-13 14:55 ` [patch 21/21] x86/fpu/signal: Use fpstate for size and features Thomas Gleixner
2021-10-14 22:51   ` [patch V2 " Thomas Gleixner
2021-10-21 15:12     ` [tip: x86/fpu] " tip-bot2 for Thomas Gleixner

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