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| author | Julien Grall <julien.grall@arm.com> | 2020-08-28 19:11:52 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-09-21 18:06:33 +0100 |
| commit | 1e530f1352a2709d7bcacdb8b6d42c8900ba2c80 (patch) | |
| tree | 704ec716cc72a2cdce2ef8dd0d2a3fb8c1c43868 /arch/arm64/kernel/vdso.c | |
| parent | 6d40f05fad0babfb3e991edb2d0bd28a30a2f10c (diff) | |
arm64/sve: Implement a helper to flush SVE registers
Introduce a new helper that will zero all SVE registers but the first
128-bits of each vector. This will be used by subsequent patches to
avoid costly store/maipulate/reload sequences in places like do_sve_acc().
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/20200828181155.17745-6-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/vdso.c')
0 files changed, 0 insertions, 0 deletions