From ce6990813f15f4cabadf325791e35bd4af8152f5 Mon Sep 17 00:00:00 2001 From: Dave Martin Date: Tue, 31 Oct 2017 15:51:20 +0000 Subject: arm64/sve: Add documentation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch adds basic documentation of the user/kernel interface provided by the for SVE. Signed-off-by: Dave Martin Reviewed-by: Catalin Marinas Cc: Alan Hayward Cc: Alex Bennée Cc: Mark Rutland Cc: Michael Kerrisk Cc: Szabolcs Nagy Cc: linux-api@vger.kernel.org Signed-off-by: Will Deacon --- arch/arm64/include/uapi/asm/sigcontext.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/arm64') diff --git a/arch/arm64/include/uapi/asm/sigcontext.h b/arch/arm64/include/uapi/asm/sigcontext.h index 7654a81bc577..3c0b48498db9 100644 --- a/arch/arm64/include/uapi/asm/sigcontext.h +++ b/arch/arm64/include/uapi/asm/sigcontext.h @@ -133,6 +133,9 @@ struct sve_context { * The SVE architecture leaves space for future expansion of the * vector length beyond its initial architectural limit of 2048 bits * (16 quadwords). + * + * See linux/Documentation/arm64/sve.txt for a description of the VL/VQ + * terminology. */ #define SVE_VQ_BYTES 16 /* number of bytes per quadword */ -- cgit