qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-devel] [PATCH v2 19/29] target/s390x: fix adj_len_to_page


From: Aurelien Jarno
Subject: [Qemu-devel] [PATCH v2 19/29] target/s390x: fix adj_len_to_page
Date: Mon, 29 May 2017 21:24:30 +0200

adj_len_to_page doesn't return the correct result when the address
is already page aligned and the length is bigger than a page. Fix that.

Signed-off-by: Aurelien Jarno <address@hidden>
---
 target/s390x/mem_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index edda090116..805794d82f 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -61,7 +61,7 @@ static inline uint32_t adj_len_to_page(uint32_t len, uint64_t 
addr)
 {
 #ifndef CONFIG_USER_ONLY
     if ((addr & ~TARGET_PAGE_MASK) + len - 1 >= TARGET_PAGE_SIZE) {
-        return -addr & ~TARGET_PAGE_MASK;
+        return -(addr | TARGET_PAGE_MASK);
     }
 #endif
     return len;
-- 
2.11.0




reply via email to

[Prev in Thread] Current Thread [Next in Thread]