From: Michael Ellerman <mpe@ellerman.id.au>
To: <linuxppc-dev@ozlabs.org>
Subject: [PATCH 2/4] powerpc/kernel: Open code HMT_MEDIUM_LOW_HAS_PPR
Date: Wed, 25 Nov 2015 14:25:17 +1100 [thread overview]
Message-ID: <1448421919-30426-2-git-send-email-mpe@ellerman.id.au> (raw)
In-Reply-To: <1448421919-30426-1-git-send-email-mpe@ellerman.id.au>
HMT_MEDIUM_LOW_HAS_PPR is only used in once place, open code it.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
arch/powerpc/include/asm/ppc_asm.h | 5 -----
arch/powerpc/kernel/entry_64.S | 6 +++++-
2 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index dd0fc18d8103..67f05d4935a0 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -418,11 +418,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
* PPR restore macros used in entry_64.S
* Used for P7 or later processors
*/
-#define HMT_MEDIUM_LOW_HAS_PPR \
-BEGIN_FTR_SECTION_NESTED(944) \
- HMT_MEDIUM_LOW; \
-END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,944)
-
#define SET_DEFAULT_THREAD_PPR(ra, rb) \
BEGIN_FTR_SECTION_NESTED(945) \
lis ra,INIT_PPR@highest; /* default ppr=3 */ \
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index a94f155db78e..c8a60aa07aa5 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -223,7 +223,11 @@ END_FTR_SECTION_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS)
beq- 1f
ACCOUNT_CPU_USER_EXIT(r11, r12)
- HMT_MEDIUM_LOW_HAS_PPR
+
+BEGIN_FTR_SECTION
+ HMT_MEDIUM_LOW
+END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR)
+
ld r13,GPR13(r1) /* only restore r13 if returning to usermode */
1: ld r2,GPR2(r1)
ld r1,GPR1(r1)
--
2.5.0
next prev parent reply other threads:[~2015-11-25 3:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-25 3:25 [PATCH 1/4] powerpc/kernel: Drop HMT_MEDIUM_PPR_DISCARD Michael Ellerman
2015-11-25 3:25 ` Michael Ellerman [this message]
2015-11-25 3:25 ` [PATCH 3/4] powerpc/kernel: Open code SET_DEFAULT_THREAD_PPR Michael Ellerman
2015-11-25 3:25 ` [PATCH 4/4] powerpc/kernel: Combine vec/loc for STD_EXCEPTION_PSERIES Michael Ellerman
2015-12-17 11:57 ` [1/4] powerpc/kernel: Drop HMT_MEDIUM_PPR_DISCARD Michael Ellerman
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