Commits
Will Deacon committed c1d7cd228b4
arm64: spinlock: fix ll/sc unlock on big-endian systems When unlocking a spinlock, we perform a read-modify-write on the owner ticket in order to increment it and store it back with release semantics. In the LL/SC case, we load the 16-bit ticket using a 32-bit load and therefore store back the wrong halfword on a big-endian system, corrupting the lock after the first unlock and killing the system dead. This patch fixes the unlock code to use 16-bit accessors consistently. Signed-off-by: Will Deacon <will.deacon@arm.com>