linux-kernel - [tip: timers/core] x86: Select POSIX_CPU_TIMERS_TASK

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Date:   Thu, 06 Aug 2020 17:09:57 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Oleg Nesterov <oleg@...hat.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: timers/core] x86: Select POSIX_CPU_TIMERS_TASK_WORK

The following commit has been merged into the timers/core branch of tip:

Commit-ID:     0099808553ad4f9c04ad7afd966f6d7f470f247f
Gitweb:        https://git.kernel.org/tip/0099808553ad4f9c04ad7afd966f6d7f470f247f
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Thu, 30 Jul 2020 12:14:07 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Thu, 06 Aug 2020 16:50:59 +02:00

x86: Select POSIX_CPU_TIMERS_TASK_WORK

Move POSIX CPU timer expiry and signal delivery into task context.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Reviewed-by: Oleg Nesterov <oleg@...hat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Link: https://lore.kernel.org/r/20200730102337.888613724@linutronix.de
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index fd03cef..a82e715 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -209,6 +209,7 @@ config X86
 	select HAVE_PERF_REGS
 	select HAVE_PERF_USER_STACK_DUMP
 	select MMU_GATHER_RCU_TABLE_FREE		if PARAVIRT
+	select HAVE_POSIX_CPU_TIMERS_TASK_WORK
 	select HAVE_REGS_AND_STACK_ACCESS_API
 	select HAVE_RELIABLE_STACKTRACE		if X86_64 && (UNWINDER_FRAME_POINTER || UNWINDER_ORC) && STACK_VALIDATION
 	select HAVE_FUNCTION_ARG_ACCESS_API