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powerpc/ppc64: Rename SOFT_DISABLE_INTS with RECONCILE_IRQ_STATE

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The SOFT_DISABLE_INTS seems an odd name for something that updates the
software state to be consistent with interrupts being hard disabled, so
rename SOFT_DISABLE_INTS with RECONCILE_IRQ_STATE to avoid this confusion.

Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Tiejun Chen 2013-07-16 11:09:30 +08:00 committed by Benjamin Herrenschmidt
parent 7033b64b48
commit de021bb79c
4 changed files with 9 additions and 8 deletions
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2
arch/powerpc/include/asm/exception-64s.h
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@ -479,7 +479,7 @@ label##_relon_hv: \
*/
/* Exception addition: Hard disable interrupts */
#define DISABLE_INTS SOFT_DISABLE_INTS(r10,r11)
#define DISABLE_INTS RECONCILE_IRQ_STATE(r10,r11)
#define ADD_NVGPRS \
bl .save_nvgprs

7
arch/powerpc/include/asm/irqflags.h
View File

@ -40,9 +40,10 @@
#define TRACE_DISABLE_INTS TRACE_WITH_FRAME_BUFFER(.trace_hardirqs_off)
/*
* This is used by assembly code to soft-disable interrupts
* This is used by assembly code to soft-disable interrupts first and
* reconcile irq state.
*/
#define SOFT_DISABLE_INTS(__rA, __rB) \
#define RECONCILE_IRQ_STATE(__rA, __rB) \
lbz __rA,PACASOFTIRQEN(r13); \
lbz __rB,PACAIRQHAPPENED(r13); \
cmpwi cr0,__rA,0; \
@ -58,7 +59,7 @@
#define TRACE_ENABLE_INTS
#define TRACE_DISABLE_INTS
#define SOFT_DISABLE_INTS(__rA, __rB) \
#define RECONCILE_IRQ_STATE(__rA, __rB) \
lbz __rA,PACAIRQHAPPENED(r13); \
li __rB,0; \
ori __rA,__rA,PACA_IRQ_HARD_DIS; \

4
arch/powerpc/kernel/entry_64.S
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@ -721,9 +721,9 @@ resume_kernel:
/*
* Here we are preempting the current task. We want to make
* sure we are soft-disabled first
* sure we are soft-disabled first and reconcile irq state.
*/
SOFT_DISABLE_INTS(r3,r4)
RECONCILE_IRQ_STATE(r3,r4)
1: bl .preempt_schedule_irq
/* Re-test flags and eventually loop */

4
arch/powerpc/kernel/exceptions-64e.S
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@ -198,9 +198,9 @@ exc_##n##_common: \
/* This second version is meant for exceptions that don't immediately
* hard-enable. We set a bit in paca->irq_happened to ensure that
* a subsequent call to arch_local_irq_restore() will properly
* hard-enable and avoid the fast-path
* hard-enable and avoid the fast-path, and then reconcile irq state.
*/
#define INTS_DISABLE SOFT_DISABLE_INTS(r3,r4)
#define INTS_DISABLE RECONCILE_IRQ_STATE(r3,r4)
/* This is called by exceptions that used INTS_KEEP (that did not touch
* irq indicators in the PACA). This will restore MSR:EE to it's previous