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| author | Paul Gortmaker <paul.gortmaker@windriver.com> | 2016-09-05 16:02:44 -0400 |
|---|---|---|
| committer | Paul Gortmaker <paul.gortmaker@windriver.com> | 2016-09-05 16:02:44 -0400 |
| commit | 13ea66437ffdad61997eff27f65ce586f5aa725a (patch) | |
| tree | eb7679f54acbaa64fbb49a4027faa168fc59d8b9 | |
| parent | 1e4c0e918afcc3b07cc801dd1640a031afedb377 (diff) | |
| download | 4.8-rt-patches-13ea66437ffdad61997eff27f65ce586f5aa725a.tar.gz | |
arm: Kconfig context refresh
| -rw-r--r-- | patches/jump-label-rt.patch | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/patches/jump-label-rt.patch b/patches/jump-label-rt.patch index 4643147ee9bc4d..3e8bce9750d6ab 100644 --- a/patches/jump-label-rt.patch +++ b/patches/jump-label-rt.patch @@ -1,6 +1,7 @@ -Subject: jump-label: disable if stop_machine() is used +From aea5e38e7beac3be79d122a26f3e43f28bd8227c Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> -Date: Wed, 08 Jul 2015 17:14:48 +0200 +Date: Wed, 8 Jul 2015 17:14:48 +0200 +Subject: [PATCH] jump-label: disable if stop_machine() is used Some architectures are using stop_machine() while switching the opcode which leads to latency spikes. @@ -18,18 +19,20 @@ The architecures which use other sorcery: Signed-off-by: Thomas Gleixner <tglx@linutronix.de> [bigeasy: only ARM for now] Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> ---- - arch/arm/Kconfig | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) +diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig +index a9c4e48bb7ec..ae5ded3efd7a 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig -@@ -35,7 +35,7 @@ config ARM - select HARDIRQS_SW_RESEND +@@ -36,7 +36,7 @@ config ARM select HAVE_ARCH_AUDITSYSCALL if (AEABI && !OABI_COMPAT) select HAVE_ARCH_BITREVERSE if (CPU_32v7M || CPU_32v7) && !CPU_32v6 + select HAVE_ARCH_HARDENED_USERCOPY - select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU + select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU && !PREEMPT_RT_BASE select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 && MMU select HAVE_ARCH_MMAP_RND_BITS if MMU select HAVE_ARCH_SECCOMP_FILTER if (AEABI && !OABI_COMPAT) +-- +2.5.0 + |