Will Deacon fa482cfdeb locking/arch: Remove dummy arch_{read,spin,write}_relax() implementations
arch_{read,spin,write}_relax() are defined as cpu_relax() by the core
code, so architectures that can't do better (i.e. most of them) don't
need to bother with the dummy definitions.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: paulmck@linux.vnet.ibm.com
Link: http://lkml.kernel.org/r/1507055129-12300-3-git-send-email-will.deacon@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
[kdrag0n: dropped changes to arch/sparc to due to conflicts]
Signed-off-by: Danny Lin <danny@kdrag0n.dev>
2021-06-13 21:03:04 +05:30
..
2020-06-03 13:37:46 +02:00
2019-10-29 09:16:56 +01:00