diff options
Diffstat (limited to 'translate-all.c')
| -rw-r--r-- | translate-all.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/translate-all.c b/translate-all.c index eaa95e4cd7..0d47c1c0cf 100644 --- a/translate-all.c +++ b/translate-all.c @@ -2000,6 +2000,7 @@ int page_check_range(target_ulong start, target_ulong len, int flags) int page_unprotect(target_ulong address, uintptr_t pc) { unsigned int prot; + bool current_tb_invalidated; PageDesc *p; target_ulong host_start, host_end, addr; @@ -2021,6 +2022,7 @@ int page_unprotect(target_ulong address, uintptr_t pc) host_end = host_start + qemu_host_page_size; prot = 0; + current_tb_invalidated = false; for (addr = host_start ; addr < host_end ; addr += TARGET_PAGE_SIZE) { p = page_find(addr >> TARGET_PAGE_BITS); p->flags |= PAGE_WRITE; @@ -2028,10 +2030,7 @@ int page_unprotect(target_ulong address, uintptr_t pc) /* and since the content will be modified, we must invalidate the corresponding translated code. */ - if (tb_invalidate_phys_page(addr, pc)) { - mmap_unlock(); - return 2; - } + current_tb_invalidated |= tb_invalidate_phys_page(addr, pc); #ifdef DEBUG_TB_CHECK tb_invalidate_check(addr); #endif @@ -2040,7 +2039,8 @@ int page_unprotect(target_ulong address, uintptr_t pc) prot & PAGE_BITS); mmap_unlock(); - return 1; + /* If current TB was invalidated return to main loop */ + return current_tb_invalidated ? 2 : 1; } mmap_unlock(); return 0; |