powerpc/64: Rename soft_enabled to irq_soft_mask
Rename the paca->soft_enabled to paca->irq_soft_mask as it is no
longer used as a flag for interrupt state, but a mask.
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 3f6316bc..43a6967 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -178,7 +178,7 @@
OFFSET(PACATOC, paca_struct, kernel_toc);
OFFSET(PACAKBASE, paca_struct, kernelbase);
OFFSET(PACAKMSR, paca_struct, kernel_msr);
- OFFSET(PACASOFTIRQEN, paca_struct, soft_enabled);
+ OFFSET(PACAIRQSOFTMASK, paca_struct, irq_soft_mask);
OFFSET(PACAIRQHAPPENED, paca_struct, irq_happened);
#ifdef CONFIG_PPC_BOOK3S
OFFSET(PACACONTEXTID, paca_struct, mm_ctx_id);
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 51e4cc4..7c51f02 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -129,7 +129,7 @@
* is correct
*/
#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_BUG)
- lbz r10,PACASOFTIRQEN(r13)
+ lbz r10,PACAIRQSOFTMASK(r13)
1: tdnei r10,IRQS_ENABLED
EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,BUGFLAG_WARNING
#endif
@@ -781,7 +781,7 @@
* are about to re-enable interrupts
*/
ld r5,SOFTE(r1)
- lbz r6,PACASOFTIRQEN(r13)
+ lbz r6,PACAIRQSOFTMASK(r13)
andi. r5,r5,IRQS_DISABLED
bne .Lrestore_irq_off
@@ -806,7 +806,7 @@
.Lrestore_no_replay:
TRACE_ENABLE_INTS
li r0,IRQS_ENABLED
- stb r0,PACASOFTIRQEN(r13);
+ stb r0,PACAIRQSOFTMASK(r13);
/*
* Final return path. BookE is handled in a different file
@@ -913,8 +913,8 @@
1:
#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_BUG)
/* The interrupt should not have soft enabled. */
- lbz r7,PACASOFTIRQEN(r13)
-1: tdnei r7,IRQS_DISABLED
+ lbz r7,PACAIRQSOFTMASK(r13)
+1: tdeqi r7,IRQS_ENABLED
EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,BUGFLAG_WARNING
#endif
b .Ldo_restore
@@ -1034,7 +1034,7 @@
/* There is no way it is acceptable to get here with interrupts enabled,
* check it with the asm equivalent of WARN_ON
*/
- lbz r0,PACASOFTIRQEN(r13)
+ lbz r0,PACAIRQSOFTMASK(r13)
1: tdeqi r0,IRQS_ENABLED
EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,BUGFLAG_WARNING
#endif
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
index 9216ece..ee832d34 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -139,7 +139,7 @@
mfspr r10,SPRN_ESR
SPECIAL_EXC_STORE(r10,ESR)
- lbz r10,PACASOFTIRQEN(r13)
+ lbz r10,PACAIRQSOFTMASK(r13)
SPECIAL_EXC_STORE(r10,SOFTE)
ld r10,_NIP(r1)
SPECIAL_EXC_STORE(r10,CSRR0)
@@ -206,7 +206,7 @@
mtspr SPRN_MAS8,r10
END_FTR_SECTION_IFSET(CPU_FTR_EMB_HV)
- lbz r6,PACASOFTIRQEN(r13)
+ lbz r6,PACAIRQSOFTMASK(r13)
ld r5,SOFTE(r1)
/* Interrupts had better not already be enabled... */
@@ -216,7 +216,7 @@
bne 1f
TRACE_ENABLE_INTS
- stb r5,PACASOFTIRQEN(r13)
+ stb r5,PACAIRQSOFTMASK(r13)
1:
/*
* Restore PACAIRQHAPPENED rather than setting it based on
@@ -351,7 +351,7 @@
#define PROLOG_ADDITION_NONE_MC(n)
#define PROLOG_ADDITION_MASKABLE_GEN(n) \
- lbz r10,PACASOFTIRQEN(r13); /* are irqs soft-disabled ? */ \
+ lbz r10,PACAIRQSOFTMASK(r13); /* are irqs soft-masked? */ \
andi. r10,r10,IRQS_DISABLED; /* yes -> go out of line */ \
bne masked_interrupt_book3e_##n
@@ -397,7 +397,7 @@
mfspr r8,SPRN_XER; /* save XER in stackframe */ \
ld r9,excf+EX_R1(r13); /* load orig r1 back from PACA */ \
lwz r10,excf+EX_CR(r13); /* load orig CR back from PACA */ \
- lbz r11,PACASOFTIRQEN(r13); /* get current IRQ softe */ \
+ lbz r11,PACAIRQSOFTMASK(r13); /* get current IRQ softe */ \
ld r12,exception_marker@toc(r2); \
li r0,0; \
std r3,GPR10(r1); /* save r10 to stackframe */ \
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 0deef35..a61151a 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -766,7 +766,7 @@
* in the PACA when doing hotplug)
*/
li r0,IRQS_DISABLED
- stb r0,PACASOFTIRQEN(r13)
+ stb r0,PACAIRQSOFTMASK(r13)
li r0,PACA_IRQ_HARD_DIS
stb r0,PACAIRQHAPPENED(r13)
@@ -823,7 +823,7 @@
* in the PACA when doing hotplug)
*/
li r7,IRQS_DISABLED
- stb r7,PACASOFTIRQEN(r13)
+ stb r7,PACAIRQSOFTMASK(r13)
li r0,PACA_IRQ_HARD_DIS
stb r0,PACAIRQHAPPENED(r13)
@@ -990,7 +990,7 @@
* in the PACA when doing hotplug)
*/
li r0,IRQS_DISABLED
- stb r0,PACASOFTIRQEN(r13)
+ stb r0,PACAIRQSOFTMASK(r13)
li r0,PACA_IRQ_HARD_DIS
stb r0,PACAIRQHAPPENED(r13)
diff --git a/arch/powerpc/kernel/idle_book3e.S b/arch/powerpc/kernel/idle_book3e.S
index 1bb1d15..2b26931 100644
--- a/arch/powerpc/kernel/idle_book3e.S
+++ b/arch/powerpc/kernel/idle_book3e.S
@@ -48,7 +48,7 @@
addi r1,r1,128
#endif
li r0,IRQS_ENABLED
- stb r0,PACASOFTIRQEN(r13)
+ stb r0,PACAIRQSOFTMASK(r13)
/* Interrupts will make use return to LR, so get something we want
* in there
diff --git a/arch/powerpc/kernel/idle_power4.S b/arch/powerpc/kernel/idle_power4.S
index 8b4702d..08faa93 100644
--- a/arch/powerpc/kernel/idle_power4.S
+++ b/arch/powerpc/kernel/idle_power4.S
@@ -55,7 +55,7 @@
#endif /* CONFIG_TRACE_IRQFLAGS */
li r0,IRQS_ENABLED
- stb r0,PACASOFTIRQEN(r13) /* we'll hard-enable shortly */
+ stb r0,PACAIRQSOFTMASK(r13) /* we'll hard-enable shortly */
BEGIN_FTR_SECTION
DSSALL
sync
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 406c432..e137b98d 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -225,22 +225,9 @@
unsigned int replay;
/* Write the new soft-enabled value */
- soft_enabled_set(mask);
- if (mask) {
-#ifdef CONFIG_TRACE_IRQFLAGS
- /*
- * mask must always include LINUX bit if any
- * are set, and interrupts don't get replayed until
- * the Linux interrupt is unmasked. This could be
- * changed to replay partial unmasks in future,
- * which would allow Linux masks to nest inside
- * other masks, among other things. For now, be very
- * dumb and simple.
- */
- WARN_ON(!(mask & IRQS_DISABLED));
-#endif
+ irq_soft_mask_set(mask);
+ if (mask)
return;
- }
/*
* From this point onward, we can take interrupts, preempt,
@@ -285,7 +272,7 @@
}
#endif /* CONFIG_TRACE_IRQFLAGS */
- soft_enabled_set(IRQS_DISABLED);
+ irq_soft_mask_set(IRQS_DISABLED);
trace_hardirqs_off();
/*
@@ -297,7 +284,7 @@
/* We can soft-enable now */
trace_hardirqs_on();
- soft_enabled_set(IRQS_ENABLED);
+ irq_soft_mask_set(IRQS_ENABLED);
/*
* And replay if we have to. This will return with interrupts
@@ -372,7 +359,7 @@
* of entering the low power state.
*/
local_paca->irq_happened &= ~PACA_IRQ_HARD_DIS;
- soft_enabled_set(IRQS_ENABLED);
+ irq_soft_mask_set(IRQS_ENABLED);
/* Tell the caller to enter the low power state */
return true;
diff --git a/arch/powerpc/kernel/optprobes_head.S b/arch/powerpc/kernel/optprobes_head.S
index 52fc864..98a3aee 100644
--- a/arch/powerpc/kernel/optprobes_head.S
+++ b/arch/powerpc/kernel/optprobes_head.S
@@ -58,7 +58,7 @@
std r5,_XER(r1)
mfcr r5
std r5,_CCR(r1)
- lbz r5,PACASOFTIRQEN(r13)
+ lbz r5,PACAIRQSOFTMASK(r13)
std r5,SOFTE(r1)
/*
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index bd2c494..aef08e5 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -285,7 +285,7 @@
#ifdef CONFIG_PPC64
/*
- * softe copies paca->soft_enabled variable state. Since soft_enabled is
+ * softe copies paca->irq_soft_mask variable state. Since irq_soft_mask is
* no more used as a flag, lets force usr to alway see the softe value as 1
* which means interrupts are not soft disabled.
*/
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index f6bedeb..896dacef 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -189,7 +189,7 @@
/* Allow percpu accesses to work until we setup percpu data */
get_paca()->data_offset = 0;
/* Mark interrupts disabled in PACA */
- soft_enabled_set(IRQS_DISABLED);
+ irq_soft_mask_set(IRQS_DISABLED);
}
static void __init configure_exceptions(void)
@@ -352,7 +352,7 @@
void early_setup_secondary(void)
{
/* Mark interrupts disabled in PACA */
- soft_enabled_set(IRQS_DISABLED);
+ irq_soft_mask_set(IRQS_DISABLED);
/* Initialize the hash table or TLB handling */
early_init_mmu_secondary();
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index daa6e9e..a32823d 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -244,7 +244,7 @@
void accumulate_stolen_time(void)
{
u64 sst, ust;
- unsigned long save_soft_enabled = soft_enabled_return();
+ unsigned long save_irq_soft_mask = irq_soft_mask_return();
struct cpu_accounting_data *acct = &local_paca->accounting;
/* We are called early in the exception entry, before
@@ -253,7 +253,7 @@
* needs to reflect that so various debug stuff doesn't
* complain
*/
- soft_enabled_set(IRQS_DISABLED);
+ irq_soft_mask_set(IRQS_DISABLED);
sst = scan_dispatch_log(acct->starttime_user);
ust = scan_dispatch_log(acct->starttime);
@@ -261,7 +261,7 @@
acct->utime -= ust;
acct->steal_time += ust + sst;
- soft_enabled_set(save_soft_enabled);
+ irq_soft_mask_set(save_irq_soft_mask);
}
static inline u64 calculate_stolen_time(u64 stop_tb)