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arm64: entry-ftrace.S: Update comment to indicate that x18 is live
authorWill Deacon <will@kernel.org>
Mon, 18 May 2020 13:01:01 +0000 (14:01 +0100)
committerWill Deacon <will@kernel.org>
Mon, 18 May 2020 16:47:50 +0000 (17:47 +0100)
commit258c3d628fe9e7512d98a0000709773457c66ef1
tree66eddaa2ffbf37ff1201948278d85154eaff6f39tree | snapshot
parent871e100e432c651c9c46fb9c3184b4577e0de3aecommit | diff
arm64: entry-ftrace.S: Update comment to indicate that x18 is live

The Shadow Call Stack pointer is held in x18, so update the ftrace
entry comment to indicate that it cannot be safely clobbered.

Reported-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
arch/arm64/kernel/entry-ftrace.S diff | blob | history
Domain: System / Kernel;