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authorIngo Molnar <mingo@kernel.org>2017-08-24 10:12:33 +0200
committerIngo Molnar <mingo@kernel.org>2017-08-24 10:12:33 +0200
commit93da8b221da95a97316e518c94f03856e5d610a9 (patch)
tree23787f3c0d02507f20d804aac23ef209d66a7586 /arch/arm64/include
parentMerge tag 'perf-core-for-mingo-4.14-20170821' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (diff)
parentRevert "pty: fix the cached path of the pty slave file descriptor in the master" (diff)
downloadlinux-dev-93da8b221da95a97316e518c94f03856e5d610a9.tar.xz
linux-dev-93da8b221da95a97316e518c94f03856e5d610a9.zip
Merge branch 'linus' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm64/include')
-rw-r--r--arch/arm64/include/asm/arch_timer.h4
-rw-r--r--arch/arm64/include/asm/elf.h4
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h
index 74d08e44a651..a652ce0a5cb2 100644
--- a/arch/arm64/include/asm/arch_timer.h
+++ b/arch/arm64/include/asm/arch_timer.h
@@ -65,13 +65,13 @@ DECLARE_PER_CPU(const struct arch_timer_erratum_workaround *,
u64 _val; \
if (needs_unstable_timer_counter_workaround()) { \
const struct arch_timer_erratum_workaround *wa; \
- preempt_disable(); \
+ preempt_disable_notrace(); \
wa = __this_cpu_read(timer_unstable_counter_workaround); \
if (wa && wa->read_##reg) \
_val = wa->read_##reg(); \
else \
_val = read_sysreg(reg); \
- preempt_enable(); \
+ preempt_enable_notrace(); \
} else { \
_val = read_sysreg(reg); \
} \
diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
index acae781f7359..3288c2b36731 100644
--- a/arch/arm64/include/asm/elf.h
+++ b/arch/arm64/include/asm/elf.h
@@ -114,10 +114,10 @@
/*
* This is the base location for PIE (ET_DYN with INTERP) loads. On
- * 64-bit, this is raised to 4GB to leave the entire 32-bit address
+ * 64-bit, this is above 4GB to leave the entire 32-bit address
* space open for things that want to use the area for 32-bit pointers.
*/
-#define ELF_ET_DYN_BASE 0x100000000UL
+#define ELF_ET_DYN_BASE (2 * TASK_SIZE_64 / 3)
#ifndef __ASSEMBLY__