From: Dongxu Sun Date: Fri, 17 Mar 2023 12:49:15 +0000 (+0800) Subject: arm64/sme: Fix some comments of ARM SME X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=97b5576b01166a6aed6a267df059128e5d98b15e;p=linux.git arm64/sme: Fix some comments of ARM SME When TIF_SME is clear, fpsimd_restore_current_state will disable SME trap during ret_to_user, then SME access trap is impossible in userspace, not SVE. Besides, fix typo: alocated->allocated. Signed-off-by: Dongxu Sun Reviewed-by: Mark Brown Link: https://lore.kernel.org/r/20230317124915.1263-5-sundongxu3@huawei.com Signed-off-by: Will Deacon --- diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 9e7e50a0fd76d..2fbafa5cc7ac1 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -299,7 +299,7 @@ void task_set_vl_onexec(struct task_struct *task, enum vec_type type, /* * TIF_SME controls whether a task can use SME without trapping while * in userspace, when TIF_SME is set then we must have storage - * alocated in sve_state and sme_state to store the contents of both ZA + * allocated in sve_state and sme_state to store the contents of both ZA * and the SVE registers for both streaming and non-streaming modes. * * If both SVCR.ZA and SVCR.SM are disabled then at any point we @@ -1477,7 +1477,7 @@ void do_sve_acc(unsigned long esr, struct pt_regs *regs) * * TIF_SME should be clear on entry: otherwise, fpsimd_restore_current_state() * would have disabled the SME access trap for userspace during - * ret_to_user, making an SVE access trap impossible in that case. + * ret_to_user, making an SME access trap impossible in that case. */ void do_sme_acc(unsigned long esr, struct pt_regs *regs) {