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authorAnshuman Khandual <khandual@linux.vnet.ibm.com>2013-04-25 20:54:55 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-05-02 10:35:15 +1000
commit53b56ca0195b8a2a098a358088ecfefafb030b40 (patch)
tree7709056b3f79dbd4e6ad37254e9bc30e83c057eb /arch/powerpc/include/asm/reg.h
parentfc2a6cfe05a33891180a27d55983febe170bc0f8 (diff)
downloadlwn-53b56ca0195b8a2a098a358088ecfefafb030b40.tar.gz
lwn-53b56ca0195b8a2a098a358088ecfefafb030b40.zip
powerpc: Setup BHRB instructions facility in HFSCR for POWER8
Make BHRB instructions available in problem and privileged states. Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/reg.h')
-rw-r--r--arch/powerpc/include/asm/reg.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 5c6fbe2c5ce6..178a85844462 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -272,6 +272,7 @@
#define HFSCR_TAR (1 << (63-55)) /* Enable Target Address Register */
#define HFSCR_TM (1 << (63-58)) /* Enable Transactional Memory */
#define HFSCR_PM (1 << (63-60)) /* Enable prob/priv access to PMU SPRs */
+#define HFSCR_BHRB (1 << (63-59)) /* Enable Branch History Rolling Buffer*/
#define HFSCR_DSCR (1 << (63-61)) /* Enable Data Stream Control Register */
#define HFSCR_VECVSX (1 << (63-62)) /* Enable VMX/VSX */
#define HFSCR_FP (1 << (63-63)) /* Enable Floating Point */