From e786509f29c3b4ea7e295f79e8e73e7a3b2f2818 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Wed, 5 Oct 2022 12:56:46 -0700 Subject: accel/tcg: Use tb_invalidate_phys_range in page_set_flags MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Flush translation blocks in bulk, rather than page-by-page. Reviewed-by: Alex Bennée Signed-off-by: Richard Henderson --- accel/tcg/translate-all.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index 41b6d5fe26..eea24dea96 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) -- cgit v1.2.3