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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>
This commit is contained in:
Julien Grall 2020-08-28 19:11:49 +01:00 committed by Will Deacon
parent f186a84d8a
commit 68a4c52e55
1 changed files with 2 additions and 1 deletions
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3
arch/arm64/kernel/signal.c
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@ -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,