diff options
| author | Michael Neuling <mikey@neuling.org> | 2013-05-26 20:30:56 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-06-01 00:29:23 +0200 |
| commit | b75c100ef24894bd2c8b52e123bcc5f191c5d9fd (patch) | |
| tree | ec15563f8fb0aeb0f8dc97066a06c9261ce0c94f /arch | |
| parent | powerpc/tm: Abort on emulation and alignment faults (diff) | |
| download | linux-b75c100ef24894bd2c8b52e123bcc5f191c5d9fd.tar.xz linux-b75c100ef24894bd2c8b52e123bcc5f191c5d9fd.zip | |
powerpc/tm: Move TM abort cause codes to uapi
These cause codes are usable by userspace, so let's export to uapi.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Cc: <stable@vger.kernel.org> # v3.9
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 14 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/tm.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/uapi/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/uapi/asm/tm.h | 18 |
4 files changed, 21 insertions, 14 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index d0528e0d6db8..4a9e408644fe 100644 --- 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 diff --git a/arch/powerpc/include/asm/tm.h b/arch/powerpc/include/asm/tm.h index 4b4449abf3f8..9dfbc34bdbf5 100644 --- 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); diff --git a/arch/powerpc/include/uapi/asm/Kbuild b/arch/powerpc/include/uapi/asm/Kbuild index f7bca6370745..5182c8622b54 100644 --- 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 diff --git a/arch/powerpc/include/uapi/asm/tm.h b/arch/powerpc/include/uapi/asm/tm.h new file mode 100644 index 000000000000..85059a00f560 --- /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 |