* Patch "MIPS64: R6: R2 emulation bugfix" has been added to the 4.4-stable tree
@ 2016-06-04 17:06 gregkh
0 siblings, 0 replies; only message in thread
From: gregkh @ 2016-06-04 17:06 UTC (permalink / raw)
To: Leonid.Yegoshin, gregkh, james.hogan, markos.chandras, ralf
Cc: stable, stable-commits
This is a note to let you know that I've just added the patch titled
MIPS64: R6: R2 emulation bugfix
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mips64-r6-r2-emulation-bugfix.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 41fa29e4d8cf4150568a0fe9bb4d62229f9caed5 Mon Sep 17 00:00:00 2001
From: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Date: Tue, 28 Apr 2015 12:53:35 -0700
Subject: MIPS64: R6: R2 emulation bugfix
From: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
commit 41fa29e4d8cf4150568a0fe9bb4d62229f9caed5 upstream.
Error recovery pointers for fixups was improperly set as ".word"
which is unsuitable for MIPS64.
Replaced by STR(PTR)
[ralf@linux-mips.org: Apply changes as requested in the review process.]
Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Reviewed-by: Markos Chandras <markos.chandras@imgtec.com>
Fixes: b0a668fb2038 ("MIPS: kernel: mips-r2-to-r6-emul: Add R2 emulator for MIPS R6")
Cc: macro@linux-mips.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9911/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/mips/kernel/mips-r2-to-r6-emul.c | 105 +++++++++++++++++-----------------
1 file changed, 53 insertions(+), 52 deletions(-)
--- a/arch/mips/kernel/mips-r2-to-r6-emul.c
+++ b/arch/mips/kernel/mips-r2-to-r6-emul.c
@@ -28,6 +28,7 @@
#include <asm/inst.h>
#include <asm/mips-r2-to-r6-emul.h>
#include <asm/local.h>
+#include <asm/mipsregs.h>
#include <asm/ptrace.h>
#include <asm/uaccess.h>
@@ -1251,10 +1252,10 @@ fpu_emul:
" j 10b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1326,10 +1327,10 @@ fpu_emul:
" j 10b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1397,10 +1398,10 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1467,10 +1468,10 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1582,14 +1583,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
- " .word 5b,8b\n"
- " .word 6b,8b\n"
- " .word 7b,8b\n"
- " .word 0b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
+ STR(PTR) " 5b,8b\n"
+ STR(PTR) " 6b,8b\n"
+ STR(PTR) " 7b,8b\n"
+ STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1701,14 +1702,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
- " .word 5b,8b\n"
- " .word 6b,8b\n"
- " .word 7b,8b\n"
- " .word 0b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
+ STR(PTR) " 5b,8b\n"
+ STR(PTR) " 6b,8b\n"
+ STR(PTR) " 7b,8b\n"
+ STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1820,14 +1821,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
- " .word 5b,8b\n"
- " .word 6b,8b\n"
- " .word 7b,8b\n"
- " .word 0b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
+ STR(PTR) " 5b,8b\n"
+ STR(PTR) " 6b,8b\n"
+ STR(PTR) " 7b,8b\n"
+ STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1938,14 +1939,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
- " .word 5b,8b\n"
- " .word 6b,8b\n"
- " .word 7b,8b\n"
- " .word 0b,8b\n"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
+ STR(PTR) " 5b,8b\n"
+ STR(PTR) " 6b,8b\n"
+ STR(PTR) " 7b,8b\n"
+ STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -2000,7 +2001,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ STR(PTR) " 1b,3b\n"
".previous\n"
: "=&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV)
@@ -2058,7 +2059,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ STR(PTR) " 1b,3b\n"
".previous\n"
: "+&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV));
@@ -2119,7 +2120,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ STR(PTR) " 1b,3b\n"
".previous\n"
: "=&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV)
@@ -2182,7 +2183,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ STR(PTR) " 1b,3b\n"
".previous\n"
: "+&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV));
Patches currently in stable-queue which might be from Leonid.Yegoshin@imgtec.com are
queue-4.4/mips64-r6-r2-emulation-bugfix.patch
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2016-06-04 17:06 Patch "MIPS64: R6: R2 emulation bugfix" has been added to the 4.4-stable tree gregkh
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