From: Ravikiran G Thirumalai <kiran@in.ibm.com>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-kernel@vger.kernel.org, ak@suse.de
Subject: Re: [patch] Make prof_counter use per-cpu areas patch 3/4 -- x86_64 arch
Date: Mon, 13 Jan 2003 18:06:02 +0530 [thread overview]
Message-ID: <20030113123602.GE2714@in.ibm.com> (raw)
In-Reply-To: <20030113122835.GC2714@in.ibm.com>
This one's for x86_64
diff -ruN -X dontdiff linux-2.5.55/arch/x86_64/kernel/apic.c prof_counter-2.5.55/arch/x86_64/kernel/apic.c
--- linux-2.5.55/arch/x86_64/kernel/apic.c Thu Jan 9 09:33:55 2003
+++ prof_counter-2.5.55/arch/x86_64/kernel/apic.c Mon Jan 13 14:27:46 2003
@@ -39,7 +39,7 @@
int prof_multiplier[NR_CPUS] = { 1, };
int prof_old_multiplier[NR_CPUS] = { 1, };
-int prof_counter[NR_CPUS] = { 1, };
+DEFINE_PER_CPU(int, prof_counter) = 1;
int get_maxlvt(void)
{
@@ -901,7 +901,7 @@
x86_do_profile(regs);
- if (--prof_counter[cpu] <= 0) {
+ if (--per_cpu(prof_counter, cpu) <= 0) {
/*
* The multiplier may have changed since the last time we got
* to this point as a result of the user writing to
@@ -910,10 +910,11 @@
*
* Interrupts are already masked off at this point.
*/
- prof_counter[cpu] = prof_multiplier[cpu];
- if (prof_counter[cpu] != prof_old_multiplier[cpu]) {
- __setup_APIC_LVTT(calibration_result/prof_counter[cpu]);
- prof_old_multiplier[cpu] = prof_counter[cpu];
+ per_cpu(prof_counter, cpu) = prof_multiplier[cpu];
+ if (per_cpu(prof_counter, cpu) != prof_old_multiplier[cpu]) {
+ __setup_APIC_LVTT(calibration_result/
+ per_cpu(prof_counter, cpu));
+ prof_old_multiplier[cpu] = per_cpu(prof_counter, cpu);
}
#ifdef CONFIG_SMP
diff -ruN -X dontdiff linux-2.5.55/arch/x86_64/kernel/smpboot.c prof_counter-2.5.55/arch/x86_64/kernel/smpboot.c
--- linux-2.5.55/arch/x86_64/kernel/smpboot.c Thu Jan 9 09:34:28 2003
+++ prof_counter-2.5.55/arch/x86_64/kernel/smpboot.c Mon Jan 13 14:30:00 2003
@@ -774,7 +774,7 @@
extern int prof_multiplier[NR_CPUS];
extern int prof_old_multiplier[NR_CPUS];
-extern int prof_counter[NR_CPUS];
+DECLARE_PER_CPU(int, prof_counter);
static void __init smp_boot_cpus(unsigned int max_cpus)
{
@@ -787,7 +787,7 @@
for (apicid = 0; apicid < NR_CPUS; apicid++) {
x86_apicid_to_cpu[apicid] = -1;
- prof_counter[apicid] = 1;
+ per_cpu(prof_counter, apicid) = 1;
prof_old_multiplier[apicid] = 1;
prof_multiplier[apicid] = 1;
}
next prev parent reply other threads:[~2003-01-13 12:14 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 ` Ravikiran G Thirumalai [this message]
[not found] ` <20030113152110.GA19931@wotan.suse.de>
2003-01-16 12:17 ` [patch] Make prof_counter use per-cpu areas patch 3/4 -- x86_64 arch Ravikiran G Thirumalai
2003-01-13 12:38 ` [patch] Make prof_counter use per-cpu areas patch 4/4 -- sparc arch Ravikiran G Thirumalai
2003-01-13 16:49 ` 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20030113123602.GE2714@in.ibm.com \
--to=kiran@in.ibm.com \
--cc=ak@suse.de \
--cc=akpm@digeo.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox