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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>
This commit is contained in:
Atsuo Igarashi 2008-09-26 10:36:41 -05:00 committed by Jason Wessel
parent 6ef190cc92
commit 18d6522b86
1 changed files with 1 additions and 1 deletions
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2
kernel/kgdb.c
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@ -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;
}