From: "tip-bot2 for Gabriel Krisman Bertazi" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Gabriel Krisman Bertazi <krisman@collabora.com>,
Thomas Gleixner <tglx@linutronix.de>, x86 <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [tip: x86/cleanups] x86/oprofile: Avoid TIF_IA32 when checking 64bit mode
Date: Mon, 26 Oct 2020 12:52:36 -0000 [thread overview]
Message-ID: <160371675663.397.11073210370521166662.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20201004032536.1229030-4-krisman@collabora.com>
The following commit has been merged into the x86/cleanups branch of tip:
Commit-ID: 47cd4dac1fb21759ffcfe0600827c87fa6acdfa7
Gitweb: https://git.kernel.org/tip/47cd4dac1fb21759ffcfe0600827c87fa6acdfa7
Author: Gabriel Krisman Bertazi <krisman@collabora.com>
AuthorDate: Sat, 03 Oct 2020 23:25:29 -04:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Mon, 26 Oct 2020 13:46:46 +01:00
x86/oprofile: Avoid TIF_IA32 when checking 64bit mode
In preparation to remove TIF_IA32, stop using it in oprofile code. Use
user_64bit_mode() instead.
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201004032536.1229030-4-krisman@collabora.com
---
arch/x86/oprofile/backtrace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c
index a2488b6..1d8391f 100644
--- a/arch/x86/oprofile/backtrace.c
+++ b/arch/x86/oprofile/backtrace.c
@@ -49,7 +49,7 @@ x86_backtrace_32(struct pt_regs * const regs, unsigned int depth)
struct stack_frame_ia32 *head;
/* User process is IA32 */
- if (!current || !test_thread_flag(TIF_IA32))
+ if (!current || user_64bit_mode(regs))
return 0;
head = (struct stack_frame_ia32 *) regs->bp;
next prev parent reply other threads:[~2020-10-26 12:52 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-04 3:25 [PATCH v3 00/10] Reclaim TIF_IA32 and TIF_X32 Gabriel Krisman Bertazi
2020-10-04 3:25 ` [PATCH v3 01/10] x86: events: Avoid TIF_IA32 when checking 64bit mode Gabriel Krisman Bertazi
2020-10-26 12:52 ` [tip: x86/cleanups] perf/x86: " tip-bot2 for Gabriel Krisman Bertazi
2020-10-04 3:25 ` [PATCH v3 02/10] x86: Simplify compat syscall userspace allocation Gabriel Krisman Bertazi
2020-10-26 12:52 ` [tip: x86/cleanups] x86/compat: " tip-bot2 for Gabriel Krisman Bertazi
2020-10-04 3:25 ` [PATCH v3 03/10] x86: oprofile: Avoid TIF_IA32 when checking 64bit mode Gabriel Krisman Bertazi
2020-10-26 12:52 ` tip-bot2 for Gabriel Krisman Bertazi [this message]
2020-10-04 3:25 ` [PATCH v3 04/10] x86: elf: Use e_machine to choose DLINFO in compat Gabriel Krisman Bertazi
2020-10-26 12:52 ` [tip: x86/cleanups] x86/elf: " tip-bot2 for Gabriel Krisman Bertazi
2020-10-04 3:25 ` [PATCH v3 05/10] elf: Expose ELF header in compat_start_thread Gabriel Krisman Bertazi
2020-10-26 12:52 ` [tip: x86/cleanups] elf: Expose ELF header in compat_start_thread() tip-bot2 for Gabriel Krisman Bertazi
2020-10-04 3:25 ` [PATCH v3 06/10] x86: elf: Use e_machine to select start_thread for x32 Gabriel Krisman Bertazi
2020-10-08 0:05 ` Andy Lutomirski
2020-10-26 12:52 ` [tip: x86/cleanups] x86/elf: " tip-bot2 for Gabriel Krisman Bertazi
2020-10-04 3:25 ` [PATCH v3 07/10] elf: Expose ELF header on arch_setup_additional_pages Gabriel Krisman Bertazi
2020-10-26 12:52 ` [tip: x86/cleanups] elf: Expose ELF header on arch_setup_additional_pages() tip-bot2 for Gabriel Krisman Bertazi
2020-10-04 3:25 ` [PATCH v3 08/10] x86: elf: Use e_machine to select additional_pages between x32 Gabriel Krisman Bertazi
2020-10-26 12:52 ` [tip: x86/cleanups] x86/elf: Use e_machine to check for x32/ia32 in setup_additional_pages() tip-bot2 for Gabriel Krisman Bertazi
2020-10-04 3:25 ` [PATCH v3 09/10] x86: Convert mmu context ia32_compat into a proper flags field Gabriel Krisman Bertazi
2020-10-08 0:07 ` Andy Lutomirski
2020-10-26 12:52 ` [tip: x86/cleanups] x86/mm: " tip-bot2 for Gabriel Krisman Bertazi
2020-10-04 3:25 ` [PATCH v3 10/10] x86: Reclaim TIF_IA32 and TIF_X32 Gabriel Krisman Bertazi
2020-10-26 12:52 ` [tip: x86/cleanups] " tip-bot2 for Gabriel Krisman Bertazi
2020-11-05 20:01 ` [PATCH v3 10/10] " Dmitry Safonov
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