[PATCH v12 20/40] arm64/sme: Implement streaming SVE signal handling
Thiago Jung Bauermann
thiago.bauermann at linaro.org
Wed Mar 16 15:38:30 PDT 2022
Hello,
Mark Brown <broonie at kernel.org> writes:
> @@ -186,9 +189,16 @@ struct sve_context {
> * sve_context.vl must equal the thread's current vector length when
> * doing a sigreturn.
> *
> + * On systems with support for SME the SVE register state may reflect either
> + * streaming or non-streaming mode. In streaming mode the streaming mode
> + * vector length will be used and the flag SVE_SIG_FLAG_SM will be set in
> + * the flags field. It is permitted to enter or leave streaming mode in
> + * a signal return, applications should take care to ensure that any difference
> + * in vector length between the two modes is handled, including any resixing
> + * and movement of context blocks.
s/resixing/resizing/
--
Thiago
More information about the linux-arm-kernel
mailing list