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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.