linux-kernel - [PATCH] x86/fpu: Remove unused trace events

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250529131024.7c2ef96f@gandalf.local.home>
Date: Thu, 29 May 2025 13:10:24 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: LKML <linux-kernel@...r.kernel.org>, Linux Trace Kernel
 <linux-trace-kernel@...r.kernel.org>, x86@...nel.org
Cc: Thomas Gleixner <tglx@...utronix.de>, Borislav Petkov <bp@...en8.de>,
 Ingo Molnar <mingo@...nel.org>, "H. Peter Anvin" <hpa@...or.com>, Dave
 Hansen <dave.hansen@...ux.intel.com>, Oleg Nesterov <oleg@...hat.com>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Masami Hiramatsu
 <mhiramat@...nel.org>
Subject: [PATCH] x86/fpu: Remove unused trace events

From: Steven Rostedt <rostedt@...dmis.org>

The following trace events are not used and defining them just wastes
memory:

  x86_fpu_before_restore
  x86_fpu_after_restore
  x86_fpu_init_state

Simply remove them.

Link: https://lore.kernel.org/all/20250529130138.544ffec4@gandalf.local.home/

Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
 arch/x86/include/asm/trace/fpu.h | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/arch/x86/include/asm/trace/fpu.h b/arch/x86/include/asm/trace/fpu.h
index 0454d5e60e5d..721b408d9a67 100644
--- a/arch/x86/include/asm/trace/fpu.h
+++ b/arch/x86/include/asm/trace/fpu.h
@@ -44,16 +44,6 @@ DEFINE_EVENT(x86_fpu, x86_fpu_after_save,
 	TP_ARGS(fpu)
 );

-DEFINE_EVENT(x86_fpu, x86_fpu_before_restore,
-	TP_PROTO(struct fpu *fpu),
-	TP_ARGS(fpu)
-);
-
-DEFINE_EVENT(x86_fpu, x86_fpu_after_restore,
-	TP_PROTO(struct fpu *fpu),
-	TP_ARGS(fpu)
-);
-
 DEFINE_EVENT(x86_fpu, x86_fpu_regs_activated,
 	TP_PROTO(struct fpu *fpu),
 	TP_ARGS(fpu)
@@ -64,11 +54,6 @@ DEFINE_EVENT(x86_fpu, x86_fpu_regs_deactivated,
 	TP_ARGS(fpu)
 );

-DEFINE_EVENT(x86_fpu, x86_fpu_init_state,
-	TP_PROTO(struct fpu *fpu),
-	TP_ARGS(fpu)
-);
-
 DEFINE_EVENT(x86_fpu, x86_fpu_dropped,
 	TP_PROTO(struct fpu *fpu),
 	TP_ARGS(fpu)
-- 
2.47.2