diff options
| author | Will Deacon <will.deacon@arm.com> | 2015-01-26 21:46:19 +0300 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2015-07-27 16:34:39 +0300 |
| commit | 40a1db2434a1b62332b1af25cfa14d7b8c0301fe (patch) | |
| tree | b98eadfd8f2e2e98b162a7b0a52635ed9c6d7ee4 /arch/arm64/lib/atomic_ll_sc.c | |
| parent | c275f76bb4ce16fd0205da1e15f31b875013678e (diff) | |
| download | linux-40a1db2434a1b62332b1af25cfa14d7b8c0301fe.tar.xz | |
arm64: elf: advertise 8.1 atomic instructions as new hwcap
The ARM v8.1 architecture introduces new atomic instructions to the A64
instruction set for things like cmpxchg, so advertise their availability
to userspace using a hwcap.
Reviewed-by: Steve Capper <steve.capper@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/lib/atomic_ll_sc.c')
0 files changed, 0 insertions, 0 deletions