[06/21] x86/fpu: Convert tracing to fpstate

Message ID	20211013145322.503327333@linutronix.de (mailing list archive)
State	New, archived
Headers	show Return-Path: <kvm-owner@kernel.org> Message-ID: <20211013145322.503327333@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Cc: x86@kernel.org, "Chang S. Bae" <chang.seok.bae@intel.com>, Dave Hansen <dave.hansen@linux.intel.com>, Arjan van de Ven <arjan@linux.intel.com>, kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com> Subject: [patch 06/21] x86/fpu: Convert tracing to fpstate References: <20211013142847.120153383@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Date: Wed, 13 Oct 2021 16:55:34 +0200 (CEST) Precedence: bulk
Series	x86/fpu: Move register state into a container struct (part 2) \| expand [00/21] x86/fpu: Move register state into a container struct (part 2) [01/21] x86/fpu: Provide struct fpstate [02/21] x86/fpu: Convert fpstate_init() to struct fpstate [03/21] x86/fpu: Convert restore_fpregs_from_fpstate() to struct fpstate [04/21] x86/fpu: Replace KVMs xstate component clearing [05/21] x86/KVM: Convert to fpstate [06/21] x86/fpu: Convert tracing to fpstate [07/21] x86/fpu/regset: Convert to fpstate [08/21] x86/fpu/signal: Convert to fpstate [09/21] x86/fpu/core: Convert to fpstate [10/21] x86/math-emu: Convert to fpstate [11/21] x86/fpu: Remove fpu::state [12/21] x86/fpu: Do not leak fpstate pointer on fork [13/21] x86/process: Move arch_thread_struct_whitelist() out of line [14/21] x86/fpu: Add size and mask information to fpstate [15/21] x86/fpu: Use fpstate::size [16/21] x86/fpu/xstate: Use fpstate for os_xsave() [17/21] x86/fpu/xstate: Use fpstate for xsave_to_user_sigframe() [18/21] x86/fpu: Use fpstate in fpu_copy_kvm_uabi_to_fpstate() [19/21] x86/fpu: Use fpstate in __copy_xstate_to_uabi_buf() [20/21] x86/fpu/xstate: Use fpstate for copy_uabi_to_xstate() [21/21] x86/fpu/signal: Use fpstate for size and features

Message ID

20211013145322.503327333@linutronix.de (mailing list archive)

State

New, archived

Headers

Message-ID: <20211013145322.503327333@linutronix.de>
From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, "Chang S. Bae" <chang.seok.bae@intel.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Arjan van de Ven <arjan@linux.intel.com>,
        kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>
Subject: [patch 06/21] x86/fpu: Convert tracing to fpstate
References: <20211013142847.120153383@linutronix.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Date: Wed, 13 Oct 2021 16:55:34 +0200 (CEST)
Precedence: bulk

Series

x86/fpu: Move register state into a container struct (part 2) | expand

Commit Message

Thomas Gleixner Oct. 13, 2021, 2:55 p.m. UTC

Convert FPU tracing code to the new register storage mechanism in
preparation for dynamically sized buffers.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/include/asm/trace/fpu.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/x86/include/asm/trace/fpu.h
+++ b/arch/x86/include/asm/trace/fpu.h
@@ -22,8 +22,8 @@  DECLARE_EVENT_CLASS(x86_fpu,
 		__entry->fpu		= fpu;
 		__entry->load_fpu	= test_thread_flag(TIF_NEED_FPU_LOAD);
 		if (boot_cpu_has(X86_FEATURE_OSXSAVE)) {
-			__entry->xfeatures = fpu->state.xsave.header.xfeatures;
-			__entry->xcomp_bv  = fpu->state.xsave.header.xcomp_bv;
+			__entry->xfeatures = fpu->fpstate->regs.xsave.header.xfeatures;
+			__entry->xcomp_bv  = fpu->fpstate->regs.xsave.header.xcomp_bv;
 		}
 	),
 	TP_printk("x86/fpu: %p load: %d xfeatures: %llx xcomp_bv: %llx",

[06/21] x86/fpu: Convert tracing to fpstate

Commit Message

Patch