Commit 68a4c52e authored Aug 28, 2020 by Julien Grall Committed by Will Deacon Sep 21, 2020

arm64/signal: Update the comment in preserve_sve_context



The SVE state is saved by fpsimd_signal_preserve_current_state() and not
preserve_fpsimd_context(). Update the comment in preserve_sve_context to
reflect the current behavior.

Signed-off-by: Julien Grall <julien.grall@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Link: https://lore.kernel.org/r/20200828181155.17745-3-broonie@kernel.org


Signed-off-by: Will Deacon <will@kernel.org>

parent f186a84d

arch/arm64/kernel/signal.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -244,7 +244,8 @@ static int preserve_sve_context(struct sve_context __user *ctx)
		if (vq) {
		/*
		* This assumes that the SVE state has already been saved to
		* the task struct by calling preserve_fpsimd_context().
		* the task struct by calling the function
		* fpsimd_signal_preserve_current_state().
		*/
		err \|= __copy_to_user((char __user *)ctx + SVE_SIG_REGS_OFFSET,
		current->thread.sve_state,

Admin message