diff options
| author | Brian Gerst <brgerst@gmail.com> | 2009-01-19 00:38:57 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2009-01-19 00:38:57 +0900 |
| commit | 1b437c8c73a36daa471dd54a63c426d72af5723d (patch) | |
| tree | 2b713669c050fe52610959a7d68b53a2da75181d /arch/x86/include/asm/hardirq_64.h | |
| parent | 74e7904559a10cbb9fbf9139c5c42fc87c0f62a4 (diff) | |
| download | linux-1b437c8c73a36daa471dd54a63c426d72af5723d.tar.bz2 | |
x86-64: Move irq stats from PDA to per-cpu and consolidate with 32-bit.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/hardirq_64.h')
| -rw-r--r-- | arch/x86/include/asm/hardirq_64.h | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/arch/x86/include/asm/hardirq_64.h b/arch/x86/include/asm/hardirq_64.h index b5a6b5d56704..a65bab20f6ce 100644 --- a/arch/x86/include/asm/hardirq_64.h +++ b/arch/x86/include/asm/hardirq_64.h @@ -3,22 +3,36 @@ #include <linux/threads.h> #include <linux/irq.h> -#include <asm/pda.h> #include <asm/apic.h> +typedef struct { + unsigned int __softirq_pending; + unsigned int __nmi_count; /* arch dependent */ + unsigned int apic_timer_irqs; /* arch dependent */ + unsigned int irq0_irqs; + unsigned int irq_resched_count; + unsigned int irq_call_count; + unsigned int irq_tlb_count; + unsigned int irq_thermal_count; + unsigned int irq_spurious_count; + unsigned int irq_threshold_count; +} ____cacheline_aligned irq_cpustat_t; + +DECLARE_PER_CPU(irq_cpustat_t, irq_stat); + /* We can have at most NR_VECTORS irqs routed to a cpu at a time */ #define MAX_HARDIRQS_PER_CPU NR_VECTORS #define __ARCH_IRQ_STAT 1 -#define inc_irq_stat(member) add_pda(member, 1) +#define inc_irq_stat(member) percpu_add(irq_stat.member, 1) -#define local_softirq_pending() read_pda(__softirq_pending) +#define local_softirq_pending() percpu_read(irq_stat.__softirq_pending) #define __ARCH_SET_SOFTIRQ_PENDING 1 -#define set_softirq_pending(x) write_pda(__softirq_pending, (x)) -#define or_softirq_pending(x) or_pda(__softirq_pending, (x)) +#define set_softirq_pending(x) percpu_write(irq_stat.__softirq_pending, (x)) +#define or_softirq_pending(x) percpu_or(irq_stat.__softirq_pending, (x)) extern void ack_bad_irq(unsigned int irq); |