accel/tcg: Fix type of 'last' for pageflags_{find,next}

These should match 'start' as target_ulong, not target_long.

On 32bit targets, the parameter was sign-extended to uint64_t,
so only the first mmap within the upper 2GB memory can succeed.

Signed-off-by: Luca Bonissi <qemu@bonslack.org>
Message-Id: <327460e2-0ebd-9edb-426b-1df80d16c32a@bonslack.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c
index ac38c2b..ab48cb4 100644 (file)
--- a/accel/tcg/user-exec.c
+++ b/accel/tcg/user-exec.c
@@ -144,7 +144,7 @@ typedef struct PageFlagsNode {
 
 static IntervalTreeRoot pageflags_root;
 
-static PageFlagsNode *pageflags_find(target_ulong start, target_long last)
+static PageFlagsNode *pageflags_find(target_ulong start, target_ulong last)
 {
     IntervalTreeNode *n;
 
@@ -153,7 +153,7 @@ static PageFlagsNode *pageflags_find(target_ulong start, target_long last)
 }
 
 static PageFlagsNode *pageflags_next(PageFlagsNode *p, target_ulong start,
-                                     target_long last)
+                                     target_ulong last)
 {
     IntervalTreeNode *n;