From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Wed, 15 Jan 2014 01:56:38 +0000 (-0800)
Subject: MIPS: fix blast_icache32 on loongson2
X-Git-Tag: v3.13~15^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=43a06847b9d277e9f2c3bf8052b44b74e17526c7;p=pandora-kernel.git

MIPS: fix blast_icache32 on loongson2

Commit 14bd8c082016 ("MIPS: Loongson: Get rid of Loongson 2 #ifdefery
all over arch/mips") failed to add Loongson2 specific blast_icache32
functions.  Fix that.

The patch fixes the following crash seen with 3.13-rc1:

  Reserved instruction in kernel code[#1]:
  [...]
  Call Trace:
    blast_icache32_page+0x8/0xb0
    r4k_flush_cache_page+0x19c/0x200
    do_wp_page.isra.97+0x47c/0xe08
    handle_mm_fault+0x938/0x1118
    __do_page_fault+0x140/0x540
    resume_userspace_check+0x0/0x10
  Code: 00200825  64834000  00200825 <bc900000> bc900020  bc900040  bc900060  bc900080  bc9000a0

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Acked-by: John Crispin <blogic@openwrt.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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