From: Ravikiran G Thirumalai <kiran@in.ibm.com>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org
Subject: Re: [patch] Make prof_counter use per-cpu areas patch 4/4 -- sparc arch
Date: Mon, 13 Jan 2003 18:08:25 +0530 [thread overview]
Message-ID: <20030113123825.GF2714@in.ibm.com> (raw)
In-Reply-To: <20030113122835.GC2714@in.ibm.com>
This one's for sparc
diff -ruN -X dontdiff linux-2.5.55/arch/sparc/kernel/smp.c prof_counter-2.5.55/arch/sparc/kernel/smp.c
--- linux-2.5.55/arch/sparc/kernel/smp.c Thu Jan 9 09:33:58 2003
+++ prof_counter-2.5.55/arch/sparc/kernel/smp.c Mon Jan 13 14:35:15 2003
@@ -256,7 +256,7 @@
}
unsigned int prof_multiplier[NR_CPUS];
-unsigned int prof_counter[NR_CPUS];
+DEFINE_PER_CPU(unsigned int, prof_counter);
extern unsigned int lvl14_resolution;
int setup_profiling_timer(unsigned int multiplier)
diff -ruN -X dontdiff linux-2.5.55/arch/sparc/kernel/sun4d_smp.c prof_counter-2.5.55/arch/sparc/kernel/sun4d_smp.c
--- linux-2.5.55/arch/sparc/kernel/sun4d_smp.c Thu Jan 9 09:33:55 2003
+++ prof_counter-2.5.55/arch/sparc/kernel/sun4d_smp.c Mon Jan 13 14:37:21 2003
@@ -431,7 +431,7 @@
}
extern unsigned int prof_multiplier[NR_CPUS];
-extern unsigned int prof_counter[NR_CPUS];
+DECLARE_PER_CPU(unsigned int, prof_counter);
extern void sparc_do_profile(unsigned long pc, unsigned long o7);
@@ -455,14 +455,14 @@
if(!user_mode(regs))
sparc_do_profile(regs->pc, regs->u_regs[UREG_RETPC]);
- if(!--prof_counter[cpu]) {
+ if(!--per_cpu(prof_counter, cpu)) {
int user = user_mode(regs);
irq_enter();
update_process_times(user);
irq_exit();
- prof_counter[cpu] = prof_multiplier[cpu];
+ per_cpu(prof_counter, cpu) = prof_multiplier[cpu];
}
}
@@ -472,7 +472,7 @@
{
int cpu = hard_smp4d_processor_id();
- prof_counter[cpu] = prof_multiplier[cpu] = 1;
+ per_cpu(prof_counter, cpu) = prof_multiplier[cpu] = 1;
load_profile_irq(cpu, lvl14_resolution);
}
next prev parent reply other threads:[~2003-01-13 12:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-13 12:28 [patch] Make prof_counter use per-cpu areas patch 1/4 -- x86 arch Ravikiran G Thirumalai
2003-01-13 12:33 ` [patch] Make prof_counter use per-cpu areas patch 2/4 -- ppc arch Ravikiran G Thirumalai
2003-01-14 2:21 ` Paul Mackerras
2003-01-13 12:36 ` [patch] Make prof_counter use per-cpu areas patch 3/4 -- x86_64 arch Ravikiran G Thirumalai
[not found] ` <20030113152110.GA19931@wotan.suse.de>
2003-01-16 12:17 ` Ravikiran G Thirumalai
2003-01-13 12:38 ` Ravikiran G Thirumalai [this message]
2003-01-13 16:49 ` [patch] Make prof_counter use per-cpu areas patch 4/4 -- sparc arch Pete Zaitcev
2003-01-14 11:46 ` David S. Miller
2003-01-13 20:10 ` [patch] Make prof_counter use per-cpu areas patch 1/4 -- x86 arch Andrew Morton
2003-01-16 12:06 ` Ravikiran G Thirumalai
2003-01-16 20:18 ` Andrew Morton
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