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Date: Tue, 12 Nov 2019 17:52:05 +0100
From: Michal Suchanek <msuchanek@...e.de>
To: linuxppc-dev@...ts.ozlabs.org
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>,
Oleg Nesterov <oleg@...hat.com>,
Alexander Viro <viro@...iv.linux.org.uk>,
Christian Brauner <christian@...uner.io>,
Nicholas Piggin <npiggin@...il.com>,
Allison Randal <allison@...utok.net>,
"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
Michal Suchanek <msuchanek@...e.de>,
Thomas Gleixner <tglx@...utronix.de>,
Breno Leitao <leitao@...ian.org>,
Christophe Leroy <christophe.leroy@....fr>,
Claudio Carvalho <cclaudio@...ux.ibm.com>,
Russell Currey <ruscur@...sell.cc>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Mahesh Salgaonkar <mahesh@...ux.vnet.ibm.com>,
Arnd Bergmann <arnd@...db.de>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Firoz Khan <firoz.khan@...aro.org>,
Dmitry Vyukov <dvyukov@...gle.com>,
Masahiro Yamada <yamada.masahiro@...ionext.com>,
Hari Bathini <hbathini@...ux.ibm.com>,
Andrew Donnellan <andrew.donnellan@....ibm.com>,
Nicolai Stange <nstange@...e.de>,
Valentin Schneider <valentin.schneider@....com>,
Diana Craciun <diana.craciun@....com>,
Daniel Axtens <dja@...ens.net>,
Michael Neuling <mikey@...ling.org>,
Gustavo Romero <gromero@...ux.ibm.com>,
Mathieu Malaterre <malat@...ian.org>,
"Steven Rostedt" <rostedt@...dmis.org>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Heiko Carstens <heiko.carstens@...ibm.com>,
David Howells <dhowells@...hat.com>,
Brajeswar Ghosh <brajeswar.linux@...il.com>,
Jagadeesh Pagadala <jagdsh.linux@...il.com>,
David Hildenbrand <david@...hat.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH 07/33] powerpc/64s/exception: Remove old INT_COMMON macro
From: Nicholas Piggin <npiggin@...il.com>
Signed-off-by: Nicholas Piggin <npiggin@...il.com>
---
arch/powerpc/kernel/exceptions-64s.S | 51 +++++++++++++---------------
1 file changed, 24 insertions(+), 27 deletions(-)
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index ba2dcd91aaaf..f318869607db 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -591,8 +591,8 @@ END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948)
* If stack=0, then the stack is already set in r1, and r1 is saved in r10.
* PPR save and CPU accounting is not done for the !stack case (XXX why not?)
*/
-.macro INT_COMMON vec, area, stack, kaup, reconcile, dar, dsisr
- .if \stack
+.macro GEN_COMMON name
+ .if ISTACK
andi. r10,r12,MSR_PR /* See if coming from user */
mr r10,r1 /* Save r1 */
subi r1,r1,INT_FRAME_SIZE /* alloc frame on kernel stack */
@@ -609,54 +609,54 @@ END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,948)
std r0,GPR0(r1) /* save r0 in stackframe */
std r10,GPR1(r1) /* save r1 in stackframe */
- .if \stack
- .if \kaup
+ .if ISTACK
+ .if IKUAP
kuap_save_amr_and_lock r9, r10, cr1, cr0
.endif
beq 101f /* if from kernel mode */
ACCOUNT_CPU_USER_ENTRY(r13, r9, r10)
- SAVE_PPR(\area, r9)
+ SAVE_PPR(IAREA, r9)
101:
.else
- .if \kaup
+ .if IKUAP
kuap_save_amr_and_lock r9, r10, cr1
.endif
.endif
/* Save original regs values from save area to stack frame. */
- ld r9,\area+EX_R9(r13) /* move r9, r10 to stackframe */
- ld r10,\area+EX_R10(r13)
+ ld r9,IAREA+EX_R9(r13) /* move r9, r10 to stackframe */
+ ld r10,IAREA+EX_R10(r13)
std r9,GPR9(r1)
std r10,GPR10(r1)
- ld r9,\area+EX_R11(r13) /* move r11 - r13 to stackframe */
- ld r10,\area+EX_R12(r13)
- ld r11,\area+EX_R13(r13)
+ ld r9,IAREA+EX_R11(r13) /* move r11 - r13 to stackframe */
+ ld r10,IAREA+EX_R12(r13)
+ ld r11,IAREA+EX_R13(r13)
std r9,GPR11(r1)
std r10,GPR12(r1)
std r11,GPR13(r1)
- .if \dar
- .if \dar == 2
+ .if IDAR
+ .if IDAR == 2
ld r10,_NIP(r1)
.else
- ld r10,\area+EX_DAR(r13)
+ ld r10,IAREA+EX_DAR(r13)
.endif
std r10,_DAR(r1)
.endif
- .if \dsisr
- .if \dsisr == 2
+ .if IDSISR
+ .if IDSISR == 2
ld r10,_MSR(r1)
lis r11,DSISR_SRR1_MATCH_64S@h
and r10,r10,r11
.else
- lwz r10,\area+EX_DSISR(r13)
+ lwz r10,IAREA+EX_DSISR(r13)
.endif
std r10,_DSISR(r1)
.endif
BEGIN_FTR_SECTION_NESTED(66)
- ld r10,\area+EX_CFAR(r13)
+ ld r10,IAREA+EX_CFAR(r13)
std r10,ORIG_GPR3(r1)
END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66)
- GET_CTR(r10, \area)
+ GET_CTR(r10, IAREA)
std r10,_CTR(r1)
std r2,GPR2(r1) /* save r2 in stackframe */
SAVE_4GPRS(3, r1) /* save r3 - r6 in stackframe */
@@ -668,26 +668,22 @@ END_FTR_SECTION_NESTED(CPU_FTR_CFAR, CPU_FTR_CFAR, 66)
mfspr r11,SPRN_XER /* save XER in stackframe */
std r10,SOFTE(r1)
std r11,_XER(r1)
- li r9,(\vec)+1
+ li r9,(IVEC)+1
std r9,_TRAP(r1) /* set trap number */
li r10,0
ld r11,exception_marker@toc(r2)
std r10,RESULT(r1) /* clear regs->result */
std r11,STACK_FRAME_OVERHEAD-16(r1) /* mark the frame */
- .if \stack
+ .if ISTACK
ACCOUNT_STOLEN_TIME
.endif
- .if \reconcile
+ .if IRECONCILE
RECONCILE_IRQ_STATE(r10, r11)
.endif
.endm
-.macro GEN_COMMON name
- INT_COMMON IVEC, IAREA, ISTACK, IKUAP, IRECONCILE, IDAR, IDSISR
-.endm
-
/*
* Restore all registers including H/SRR0/1 saved in a stack frame of a
* standard exception.
@@ -2400,7 +2396,8 @@ EXC_COMMON_BEGIN(soft_nmi_common)
mr r10,r1
ld r1,PACAEMERGSP(r13)
subi r1,r1,INT_FRAME_SIZE
- INT_COMMON 0x900, PACA_EXGEN, 0, 1, 1, 0, 0
+ __ISTACK(decrementer)=0
+ GEN_COMMON decrementer
bl save_nvgprs
addi r3,r1,STACK_FRAME_OVERHEAD
bl soft_nmi_interrupt
--
2.23.0
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