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| author | Richard Henderson <richard.henderson@linaro.org> | 2024-07-09 16:56:48 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-07-23 10:56:16 +1000 |
| commit | f6bcc5b8f91e3c1b855c3078d9133f3918080276 (patch) | |
| tree | 0d01d6a4ca533b476d0b11ab3771d6c752d18acb /crypto/cipher.c | |
| parent | c6d84fd7cfb46a67c5c0404e93ed024cd3a14e6e (diff) | |
| download | qemu-f6bcc5b8f91e3c1b855c3078d9133f3918080276.zip qemu-f6bcc5b8f91e3c1b855c3078d9133f3918080276.tar.gz qemu-f6bcc5b8f91e3c1b855c3078d9133f3918080276.tar.bz2 | |
target/ppc: Improve helper_dcbz for user-only
Mark the reserve_addr check unlikely. Use tlb_vaddr_to_host
instead of probe_write, relying on the memset itself to test
for page writability. Use set/clear_helper_retaddr so that
we can properly unwind on segfault.
With this, a trivial loop around guest memset will no longer
spend nearly 25% of runtime within page_get_flags.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'crypto/cipher.c')
0 files changed, 0 insertions, 0 deletions