linux/arch/arm64
Will Deacon e9a4b79565 arm64: cmpxchg_dbl: patch in lse instructions when supported by the CPU
On CPUs which support the LSE atomic instructions introduced in ARMv8.1,
it makes sense to use them in preference to ll/sc sequences.

This patch introduces runtime patching of our cmpxchg_double primitives
so that the LSE casp instruction is used instead.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-07-27 15:28:52 +01:00
..
boot arm64: enable more compressed Image formats 2015-07-27 11:08:39 +01:00
configs arm64: defconfig: Add Ceva ahci to the defconfig 2015-07-06 17:22:59 +01:00
crypto Merge branch 'mvebu/drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc 2015-06-19 22:07:07 +08:00
include arm64: cmpxchg_dbl: patch in lse instructions when supported by the CPU 2015-07-27 15:28:52 +01:00
kernel arm64: atomics: patch in lse instructions when supported by the CPU 2015-07-27 15:28:50 +01:00
kvm arm64: kvm: Adopt new alternative assembler macros 2015-07-27 11:08:40 +01:00
lib arm64: bitops: patch in lse instructions when supported by the CPU 2015-07-27 15:28:51 +01:00
mm arm64/BUG: Use BRK instruction for generic BUG traps 2015-07-27 11:08:42 +01:00
net arm64: bpf: fix endianness conversion bugs 2015-06-26 14:15:39 +01:00
xen arm: xen: implement multicall hypercall support. 2014-04-24 13:09:46 +01:00
Kconfig arm64: introduce CONFIG_ARM64_LSE_ATOMICS as fallback to ll/sc atomics 2015-07-27 15:28:50 +01:00
Kconfig.debug coresight: moving to new "hwtracing" directory 2015-04-03 16:17:04 +02:00
Makefile arm64: atomics: patch in lse instructions when supported by the CPU 2015-07-27 15:28:50 +01:00