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| author |   Paul E. McKenney <paulmck@kernel.org> | 2022-07-21 17:46:18 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2022-07-21 17:46:18 -0700 |
| commit | 34bc7b454dc31f75a0be7ee8ab378135523d7c51 (patch) | |
| tree | a1891ee085290746b6835e5e33e3c31cec2489fa /arch/arm | |
| parent | Merge branches 'doc.2022.06.21a', 'fixes.2022.07.19a', 'nocb.2022.07.19a', 'poll.2022.07.21a', 'rcu-tasks.2022.06.21a' and 'torture.2022.06.21a' into HEAD (diff) | |
| parent | context_tracking: Use arch_atomic_read() in __ct_state for KASAN (diff) | |
| download | linux-dev-34bc7b454dc31f75a0be7ee8ab378135523d7c51.tar.xz linux-dev-34bc7b454dc31f75a0be7ee8ab378135523d7c51.zip | |
Merge branch 'ctxt.2022.07.05a' into HEAD
ctxt.2022.07.05a: Linux-kernel memory model development branch.
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/entry-common.S | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/entry-header.S | 12 | ||||
| -rw-r--r-- | arch/arm/mach-imx/cpuidle-imx6q.c | 5 |
4 files changed, 12 insertions, 11 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7630ba9cb6cc..9acc6aac5912 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -84,7 +84,7 @@ config ARM select HAVE_ARCH_TRANSPARENT_HUGEPAGE if ARM_LPAE select HAVE_ARM_SMCCC if CPU_V7 select HAVE_EBPF_JIT if !CPU_ENDIAN_BE32 - select HAVE_CONTEXT_TRACKING + select HAVE_CONTEXT_TRACKING_USER select HAVE_C_RECORDMCOUNT select HAVE_BUILDTIME_MCOUNT_SORT select HAVE_DEBUG_KMEMLEAK if !XIP_KERNEL diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 7aa3ded4af92..37a0125fc926 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -28,7 +28,7 @@ #include "entry-header.S" saved_psr .req r8 -#if defined(CONFIG_TRACE_IRQFLAGS) || defined(CONFIG_CONTEXT_TRACKING) +#if defined(CONFIG_TRACE_IRQFLAGS) || defined(CONFIG_CONTEXT_TRACKING_USER) saved_pc .req r9 #define TRACE(x...) x #else @@ -38,7 +38,7 @@ saved_pc .req lr .section .entry.text,"ax",%progbits .align 5 -#if !(IS_ENABLED(CONFIG_TRACE_IRQFLAGS) || IS_ENABLED(CONFIG_CONTEXT_TRACKING) || \ +#if !(IS_ENABLED(CONFIG_TRACE_IRQFLAGS) || IS_ENABLED(CONFIG_CONTEXT_TRACKING_USER) || \ IS_ENABLED(CONFIG_DEBUG_RSEQ)) /* * This is the fast syscall return path. We do as little as possible here, diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index 5865621bf691..99411fa91350 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -366,25 +366,25 @@ ALT_UP_B(.L1_\@) * between user and kernel mode. */ .macro ct_user_exit, save = 1 -#ifdef CONFIG_CONTEXT_TRACKING +#ifdef CONFIG_CONTEXT_TRACKING_USER .if \save stmdb sp!, {r0-r3, ip, lr} - bl context_tracking_user_exit + bl user_exit_callable ldmia sp!, {r0-r3, ip, lr} .else - bl context_tracking_user_exit + bl user_exit_callable .endif #endif .endm .macro ct_user_enter, save = 1 -#ifdef CONFIG_CONTEXT_TRACKING +#ifdef CONFIG_CONTEXT_TRACKING_USER .if \save stmdb sp!, {r0-r3, ip, lr} - bl context_tracking_user_enter + bl user_enter_callable ldmia sp!, {r0-r3, ip, lr} .else - bl context_tracking_user_enter + bl user_enter_callable .endif #endif .endm diff --git a/arch/arm/mach-imx/cpuidle-imx6q.c b/arch/arm/mach-imx/cpuidle-imx6q.c index 094337dc1bc7..d086cbae09c3 100644 --- a/arch/arm/mach-imx/cpuidle-imx6q.c +++ b/arch/arm/mach-imx/cpuidle-imx6q.c @@ -3,6 +3,7 @@ * Copyright (C) 2012 Freescale Semiconductor, Inc. */ +#include <linux/context_tracking.h> #include <linux/cpuidle.h> #include <linux/module.h> #include <asm/cpuidle.h> @@ -24,9 +25,9 @@ static int imx6q_enter_wait(struct cpuidle_device *dev, imx6_set_lpm(WAIT_UNCLOCKED); raw_spin_unlock(&cpuidle_lock); - rcu_idle_enter(); + ct_idle_enter(); cpu_do_idle(); - rcu_idle_exit(); + ct_idle_exit(); raw_spin_lock(&cpuidle_lock); if (num_idle_cpus-- == num_online_cpus()) |