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| author | Richard Henderson <richard.henderson@linaro.org> | 2022-10-05 12:56:46 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2022-10-26 11:11:28 +1000 |
| commit | e786509f29c3b4ea7e295f79e8e73e7a3b2f2818 (patch) | |
| tree | 72c35ffd44b62521d7f18fcb1a55640ce22c17cd | |
| parent | 43301e05669e19f41fb8530e77ac0c8953195bbf (diff) | |
| download | qemu-e786509f29c3b4ea7e295f79e8e73e7a3b2f2818.zip qemu-e786509f29c3b4ea7e295f79e8e73e7a3b2f2818.tar.gz qemu-e786509f29c3b4ea7e295f79e8e73e7a3b2f2818.tar.bz2 | |
accel/tcg: Use tb_invalidate_phys_range in page_set_flags
Flush translation blocks in bulk, rather than page-by-page.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | accel/tcg/translate-all.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index 41b6d5f..eea24de 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -1352,7 +1352,7 @@ int page_get_flags(target_ulong address) void page_set_flags(target_ulong start, target_ulong end, int flags) { target_ulong addr, len; - bool reset; + bool reset, inval_tb = false; /* This function should never be called with addresses outside the guest address space. If this assert fires, it probably indicates @@ -1388,11 +1388,15 @@ void page_set_flags(target_ulong start, target_ulong end, int flags) && (reset || !(flags & PAGE_EXEC) || (flags & ~p->flags & PAGE_WRITE))) { - tb_invalidate_phys_page(addr); + inval_tb = true; } /* Using mprotect on a page does not change sticky bits. */ p->flags = (reset ? 0 : p->flags & PAGE_STICKY) | flags; } + + if (inval_tb) { + tb_invalidate_phys_range(start, end); + } } void page_reset_target_data(target_ulong start, target_ulong end) |