This is a note to let you know that I've just added the patch titled
powerpc/tm: Move TM abort cause codes to uapi
to the 3.9-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:
powerpc-tm-move-tm-abort-cause-codes-to-uapi.patch
and it can be found in the queue-3.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b75c100ef24894bd2c8b52e123bcc5f191c5d9fd Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@xxxxxxxxxxx>
Date: Sun, 26 May 2013 18:30:56 +0000
Subject: powerpc/tm: Move TM abort cause codes to uapi
From: Michael Neuling <mikey@xxxxxxxxxxx>
commit b75c100ef24894bd2c8b52e123bcc5f191c5d9fd upstream.
These cause codes are usable by userspace, so let's export to uapi.
Signed-off-by: Michael Neuling <mikey@xxxxxxxxxxx>
Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/include/asm/reg.h | 14 --------------
arch/powerpc/include/asm/tm.h | 2 ++
arch/powerpc/include/uapi/asm/Kbuild | 1 +
arch/powerpc/include/uapi/asm/tm.h | 18 ++++++++++++++++++
4 files changed, 21 insertions(+), 14 deletions(-)
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -111,20 +111,6 @@
#define MSR_TM_TRANSACTIONAL(x) (((x) & MSR_TS_MASK) == MSR_TS_T)
#define MSR_TM_SUSPENDED(x) (((x) & MSR_TS_MASK) == MSR_TS_S)
-/* Reason codes describing kernel causes for transaction aborts. By
- convention, bit0 is copied to TEXASR[56] (IBM bit 7) which is set if
- the failure is persistent. PAPR saves 0xff-0xe0 for the hypervisor.
-*/
-#define TM_CAUSE_PERSISTENT 0x01
-#define TM_CAUSE_RESCHED 0xde
-#define TM_CAUSE_TLBI 0xdc
-#define TM_CAUSE_FAC_UNAV 0xda
-#define TM_CAUSE_SYSCALL 0xd8 /* future use */
-#define TM_CAUSE_MISC 0xd6 /* future use */
-#define TM_CAUSE_SIGNAL 0xd4
-#define TM_CAUSE_ALIGNMENT 0xd2
-#define TM_CAUSE_EMULATE 0xd0
-
#if defined(CONFIG_PPC_BOOK3S_64)
#define MSR_64BIT MSR_SF
--- a/arch/powerpc/include/asm/tm.h
+++ b/arch/powerpc/include/asm/tm.h
@@ -5,6 +5,8 @@
* Copyright 2012 Matt Evans & Michael Neuling, IBM Corporation.
*/
+#include <uapi/asm/tm.h>
+
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
extern void do_load_up_transact_fpu(struct thread_struct *thread);
extern void do_load_up_transact_altivec(struct thread_struct *thread);
--- a/arch/powerpc/include/uapi/asm/Kbuild
+++ b/arch/powerpc/include/uapi/asm/Kbuild
@@ -40,6 +40,7 @@ header-y += statfs.h
header-y += swab.h
header-y += termbits.h
header-y += termios.h
+header-y += tm.h
header-y += types.h
header-y += ucontext.h
header-y += unistd.h
--- /dev/null
+++ b/arch/powerpc/include/uapi/asm/tm.h
@@ -0,0 +1,18 @@
+#ifndef _ASM_POWERPC_TM_H
+#define _ASM_POWERPC_TM_H
+
+/* Reason codes describing kernel causes for transaction aborts. By
+ * convention, bit0 is copied to TEXASR[56] (IBM bit 7) which is set if
+ * the failure is persistent. PAPR saves 0xff-0xe0 for the hypervisor.
+ */
+#define TM_CAUSE_PERSISTENT 0x01
+#define TM_CAUSE_RESCHED 0xde
+#define TM_CAUSE_TLBI 0xdc
+#define TM_CAUSE_FAC_UNAV 0xda
+#define TM_CAUSE_SYSCALL 0xd8 /* future use */
+#define TM_CAUSE_MISC 0xd6 /* future use */
+#define TM_CAUSE_SIGNAL 0xd4
+#define TM_CAUSE_ALIGNMENT 0xd2
+#define TM_CAUSE_EMULATE 0xd0
+
+#endif
Patches currently in stable-queue which might be from mikey@xxxxxxxxxxx are
queue-3.9/powerpc-tm-abort-on-emulation-and-alignment-faults.patch
queue-3.9/powerpc-tm-fix-userspace-stack-corruption-on-signal-delivery-for-active-transactions.patch
queue-3.9/powerpc-tm-update-cause-codes-documentation.patch
queue-3.9/powerpc-tm-make-room-for-hypervisor-in-abort-cause-codes.patch
queue-3.9/powerpc-tm-move-tm-abort-cause-codes-to-uapi.patch
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