Re: [PATCH -next] xtensa: Export __invalidate_icache_range
From: Kees Cook <hidden>
Date: 2014-02-27 18:40:18
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lkml
On Thu, Feb 27, 2014 at 5:41 AM, Geert Uytterhoeven [off-list ref] wrote:
When modular code calls flush_icache_range():
ERROR: "__invalidate_icache_range" [drivers/misc/lkdtm.ko] undefined!
make[1]: *** [__modpost] Error 1
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>Ah, good catch! Reviewed-by: Kees Cook <redacted> -Kees
quoted hunk ↗ jump to hunk
--- http://kisskb.ellerman.id.au/kisskb/buildresult/10663772/ arch/xtensa/kernel/xtensa_ksyms.c | 1 + 1 file changed, 1 insertion(+)diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c index 80b33ed51f31..88eab32be29e 100644 --- a/arch/xtensa/kernel/xtensa_ksyms.c +++ b/arch/xtensa/kernel/xtensa_ksyms.c@@ -105,6 +105,7 @@ EXPORT_SYMBOL(csum_partial_copy_generic); * Architecture-specific symbols */ EXPORT_SYMBOL(__xtensa_copy_user); +EXPORT_SYMBOL(__invalidate_icache_range); /* * Kernel hacking ... --1.7.9.5
-- Kees Cook Chrome OS Security