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authorDavid S. Miller <davem@davemloft.net>2012-08-17 08:31:59 +0200
committerDavid S. Miller <davem@davemloft.net>2012-08-19 08:26:19 +0200
commitce4a925c29208cf48084d9fa174d965a65246a8d (patch)
tree9b99aafebe393782e602d6960da416dd36bb89e8 /arch/sparc/kernel/nmi.c
parentsparc64: Abstract away the NMI PIC counter computation. (diff)
downloadlinux-ce4a925c29208cf48084d9fa174d965a65246a8d.tar.xz
linux-ce4a925c29208cf48084d9fa174d965a65246a8d.zip
sparc64: Abstract away the %pcr values used to enable/disable NMI
We assumed PCR_PIC_PRIV can always be used to disable it, but that won't be true for SPARC-T4. This allows us also to get rid of some messy defines used in only one location. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/nmi.c')
-rw-r--r--arch/sparc/kernel/nmi.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index 4c45158d4c88..6479256fd5a4 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -108,7 +108,7 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP)
touched = 1;
else
- pcr_ops->write_pcr(0, PCR_PIC_PRIV);
+ pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_disable);
sum = local_cpu_data().irq0_irqs;
if (__get_cpu_var(nmi_touch)) {
@@ -126,7 +126,7 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
}
if (__get_cpu_var(wd_enabled)) {
pcr_ops->write_pic(0, pcr_ops->nmi_picl_value(nmi_hz));
- pcr_ops->write_pcr(0, pcr_enable);
+ pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_enable);
}
restore_hardirq_stack(orig_sp);
@@ -165,7 +165,7 @@ static void report_broken_nmi(int cpu, int *prev_nmi_count)
void stop_nmi_watchdog(void *unused)
{
- pcr_ops->write_pcr(0, PCR_PIC_PRIV);
+ pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_disable);
__get_cpu_var(wd_enabled) = 0;
atomic_dec(&nmi_active);
}
@@ -222,10 +222,10 @@ void start_nmi_watchdog(void *unused)
__get_cpu_var(wd_enabled) = 1;
atomic_inc(&nmi_active);
- pcr_ops->write_pcr(0, PCR_PIC_PRIV);
+ pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_disable);
pcr_ops->write_pic(0, pcr_ops->nmi_picl_value(nmi_hz));
- pcr_ops->write_pcr(0, pcr_enable);
+ pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_enable);
}
static void nmi_adjust_hz_one(void *unused)
@@ -233,10 +233,10 @@ static void nmi_adjust_hz_one(void *unused)
if (!__get_cpu_var(wd_enabled))
return;
- pcr_ops->write_pcr(0, PCR_PIC_PRIV);
+ pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_disable);
pcr_ops->write_pic(0, pcr_ops->nmi_picl_value(nmi_hz));
- pcr_ops->write_pcr(0, pcr_enable);
+ pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_enable);
}
void nmi_adjust_hz(unsigned int new_hz)