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authorAtsuo Igarashi <atsuo_igarashi@tripeaks.co.jp>2008-09-26 15:36:41 (GMT)
committerJason Wessel <jason.wessel@windriver.com>2008-09-26 15:36:41 (GMT)
commit18d6522b86d21a04c8ac1ea79747e2e434a956d9 (patch)
tree4df66d758f79eb7c71352e3de57d63df7156bac3 /kernel/kgdb.c
parent6ef190cc92e33565accff6a320f0e7d90480bfe7 (diff)
downloadlinux-fsl-qoriq-18d6522b86d21a04c8ac1ea79747e2e434a956d9.tar.xz
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>
Diffstat (limited to 'kernel/kgdb.c')
-rw-r--r--kernel/kgdb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/kgdb.c b/kernel/kgdb.c
index eaa21fc..949806a 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;
}