diff options
| author | Michael Neuling <mikey@neuling.org> | 2013-05-26 18:09:37 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-07 12:53:19 -0700 |
| commit | 1ece539081c17ea0ba11641390c25861e5599f0a (patch) | |
| tree | 31e2b7c274daee88febe89ca25dfeede50527d32 | |
| parent | d0b82237f3e6a9cec57c827849fbb7f461b44619 (diff) | |
powerpc/tm: Make room for hypervisor in abort cause codes
commit 35f7097fcedec63fcba1852dbee96f74a2d90878 upstream.
PAPR carves out 0xff-0xe0 for hypervisor use of transactional memory software
abort cause codes. Unfortunately we don't respect this currently.
Below fixes this to move our cause codes to below this region.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index c9c67fc888c9..7c5bce0da578 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -113,14 +113,15 @@ /* 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. + the failure is persistent. PAPR saves 0xff-0xe0 for the hypervisor. */ -#define TM_CAUSE_RESCHED 0xfe -#define TM_CAUSE_TLBI 0xfc -#define TM_CAUSE_FAC_UNAV 0xfa -#define TM_CAUSE_SYSCALL 0xf9 /* Persistent */ -#define TM_CAUSE_MISC 0xf6 -#define TM_CAUSE_SIGNAL 0xf4 +#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 #if defined(CONFIG_PPC_BOOK3S_64) #define MSR_64BIT MSR_SF |