From ade991778b3eaf56b69da1366879a9ddf5a954c5 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 13 Jul 2021 07:52:52 +0200 Subject: [PATCH 35/64] entry: Fix the preempt lazy fallout Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.1/older/patches-6.1.82-rt27.tar.xz Common code needs common defines.... Fixes: f2f9e496208c ("x86: Support for lazy preemption") Reported-by: kernel test robot Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/thread_info.h | 2 -- include/linux/entry-common.h | 6 ++++++ 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h index 0da06a9b5f72..fd8fb76f324f 100644 --- a/arch/x86/include/asm/thread_info.h +++ b/arch/x86/include/asm/thread_info.h @@ -151,8 +151,6 @@ struct thread_info { #define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW) -#define _TIF_NEED_RESCHED_MASK (_TIF_NEED_RESCHED | _TIF_NEED_RESCHED_LAZY) - #define STACK_WARN (THREAD_SIZE/8) /* diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h index 93cc1ae12125..3dc3704a3cdb 100644 --- a/include/linux/entry-common.h +++ b/include/linux/entry-common.h @@ -57,6 +57,12 @@ # define ARCH_EXIT_TO_USER_MODE_WORK (0) #endif +#ifdef CONFIG_PREEMPT_LAZY +# define _TIF_NEED_RESCHED_MASK (_TIF_NEED_RESCHED | _TIF_NEED_RESCHED_LAZY) +#else +# define _TIF_NEED_RESCHED_MASK (_TIF_NEED_RESCHED) +#endif + #define EXIT_TO_USER_MODE_WORK \ (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_UPROBE | \ _TIF_NEED_RESCHED_MASK | _TIF_PATCH_PENDING | _TIF_NOTIFY_SIGNAL | \ -- 2.44.0