From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org,
Markos Chandras <markos.chandras@imgtec.com>,
linux-mips@linux-mips.org, Ralf Baechle <ralf@linux-mips.org>
Subject: [PATCH 4.2 019/134] MIPS: math-emu: Allow m{f,t}hc emulation on MIPS R6
Date: Sat, 26 Sep 2015 13:54:31 -0700 [thread overview]
Message-ID: <20150926205312.945990727@linuxfoundation.org> (raw)
In-Reply-To: <20150926205311.819185658@linuxfoundation.org>
4.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Markos Chandras <markos.chandras@imgtec.com>
commit e8f80cc1a6d80587136b015e989a12827e1fcfe5 upstream.
The mfhc/mthc instructions are supported on MIPS R6 so emulate
them if needed.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10737/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/mips/math-emu/cp1emu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -1137,7 +1137,7 @@ emul:
break;
case mfhc_op:
- if (!cpu_has_mips_r2)
+ if (!cpu_has_mips_r2_r6)
goto sigill;
/* copregister rd -> gpr[rt] */
@@ -1148,7 +1148,7 @@ emul:
break;
case mthc_op:
- if (!cpu_has_mips_r2)
+ if (!cpu_has_mips_r2_r6)
goto sigill;
/* copregister rd <- gpr[rt] */
next prev parent reply other threads:[~2015-09-26 20:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20150926205311.819185658@linuxfoundation.org>
2015-09-26 20:54 ` [PATCH 4.2 018/134] MIPS: CPS: use 32b accesses to GCRs Greg Kroah-Hartman
2015-09-26 20:54 ` Greg Kroah-Hartman [this message]
2015-09-26 20:54 ` [PATCH 4.2 020/134] MIPS: math-emu: Emulate missing BC1{EQ,NE}Z instructions Greg Kroah-Hartman
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