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authorAtsuo Igarashi <atsuo_igarashi@tripeaks.co.jp>2008-09-26 10:36:41 -0500
committerJason Wessel <jason.wessel@windriver.com>2008-09-26 10:36:41 -0500
commit18d6522b86d21a04c8ac1ea79747e2e434a956d9 (patch)
tree4df66d758f79eb7c71352e3de57d63df7156bac3
parent6ef190cc92e33565accff6a320f0e7d90480bfe7 (diff)
downloadlinux-linaro-18d6522b86d21a04c8ac1ea79747e2e434a956d9.tar.gz
kgdb: could not write to the last of valid memory with kgdb
On the ARM architecture, kgdb will crash the kernel if the last byte of valid memory is written due to a flush_icache_range flushing beyond the memory boundary. Signed-off-by: Atsuo Igarashi <atsuo_igarashi@tripeaks.co.jp> Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
-rw-r--r--kernel/kgdb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/kgdb.c b/kernel/kgdb.c
index eaa21fc9ad1..949806ab67d 100644
--- a/kernel/kgdb.c
+++ b/kernel/kgdb.c
@@ -488,7 +488,7 @@ static int write_mem_msg(int binary)
if (err)
return err;
if (CACHE_FLUSH_IS_SAFE)
- flush_icache_range(addr, addr + length + 1);
+ flush_icache_range(addr, addr + length);
return 0;
}