From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Anton Blanchard To: Benjamin Herrenschmidt , Paul Mackerras Subject: [PATCH 51/63] powerpc: Alignment handler shouldn't access VSX registers with TS_FPR Date: Wed, 7 Aug 2013 02:02:08 +1000 Message-Id: <1375804940-22050-52-git-send-email-anton@samba.org> In-Reply-To: <1375804940-22050-1-git-send-email-anton@samba.org> References: <1375804940-22050-1-git-send-email-anton@samba.org> Cc: linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , The TS_FPR macro selects the FPR component of a VSX register (the high doubleword). emulate_vsx is using this macro to get the address of the associated VSX register. This happens to work on big endian, but fails on little endian. Replace it with an explicit array access. Signed-off-by: Anton Blanchard --- arch/powerpc/kernel/align.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c index ceced33..edc179f 100644 --- a/arch/powerpc/kernel/align.c +++ b/arch/powerpc/kernel/align.c @@ -646,7 +646,7 @@ static int emulate_vsx(unsigned char __user *addr, unsigned int reg, flush_vsx_to_thread(current); if (reg < 32) - ptr = (char *) ¤t->thread.TS_FPR(reg); + ptr = (char *) ¤t->thread.fpr[reg][0]; else ptr = (char *) ¤t->thread.vr[reg - 32]; -- 1.8.1.2