From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Thu, 27 Feb 2014 13:41:14 +0000 (+0100)
Subject: xtensa: Export __invalidate_icache_range
X-Git-Tag: firefly_0821_release~176^2~3947^2~2^2~11
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=eb8451e0aee1816395506e97965d0917754072de;p=firefly-linux-kernel-4.4.55.git

xtensa: Export __invalidate_icache_range

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>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---

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 ...