diff options
| author | Mark Brown <broonie@kernel.org> | 2021-12-10 18:40:58 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2021-12-14 18:33:44 +0000 |
| commit | 30c43e73b3fa2d75f5d4e72fea345380ba5eb21b (patch) | |
| tree | a8f532a7038acece8a3c45ea79279531f91b3245 /arch/arm64/include/asm/fpsimd.h | |
| parent | 97bcbee404e386195614b58e98ab2e7eddd89a5c (diff) | |
arm64/sve: Generalise vector length configuration prctl() for SME
In preparation for adding SME support update the bulk of the implementation
for the vector length configuration prctl() calls to be independent of
vector type.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20211210184133.320748-3-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/fpsimd.h')
| -rw-r--r-- | arch/arm64/include/asm/fpsimd.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h index dbb4b30a5648..cb24385e3632 100644 --- a/arch/arm64/include/asm/fpsimd.h +++ b/arch/arm64/include/asm/fpsimd.h @@ -51,8 +51,8 @@ extern void fpsimd_bind_state_to_cpu(struct user_fpsimd_state *state, extern void fpsimd_flush_task_state(struct task_struct *target); extern void fpsimd_save_and_flush_cpu_state(void); -/* Maximum VL that SVE VL-agnostic software can transparently support */ -#define SVE_VL_ARCH_MAX 0x100 +/* Maximum VL that SVE/SME VL-agnostic software can transparently support */ +#define VL_ARCH_MAX 0x100 /* Offset of FFR in the SVE register dump */ static inline size_t sve_ffr_offset(int vl) @@ -122,7 +122,7 @@ extern void fpsimd_sync_to_sve(struct task_struct *task); extern void sve_sync_to_fpsimd(struct task_struct *task); extern void sve_sync_from_fpsimd_zeropad(struct task_struct *task); -extern int sve_set_vector_length(struct task_struct *task, +extern int vec_set_vector_length(struct task_struct *task, enum vec_type type, unsigned long vl, unsigned long flags); extern int sve_set_current_vl(unsigned long arg); |