As in page_get_flags, we need to try again with the mmap
lock held if we fail a page lookup.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
accel/tcg/user-exec.c | 41 ++++++++++++++++++++++++++++++++++-------
1 file changed, 34 insertions(+), 7 deletions(-)
diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c
index 2c5c10d2e6..a8eb63ab96 100644
--- a/accel/tcg/user-exec.c
+++ b/accel/tcg/user-exec.c
@@ -525,6 +525,8 @@ void page_set_flags(target_ulong start, target_ulong end,
int flags)
int page_check_range(target_ulong start, target_ulong len, int flags)
{
target_ulong last;
+ int locked; /* tri-state: =0: unlocked, +1: global, -1: local */