forked from pool/util-linux
73 lines
2.0 KiB
Diff
73 lines
2.0 KiB
Diff
|
From 607274943bfd3d4856b872bc4278b36903fb2182 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Stanislav Brabec <sbrabec@suse.cz>
|
||
|
|
Date: Wed, 9 May 2018 22:13:07 +0200
|
||
|
|
Subject: [PATCH] chcpu: Fix maximal number of CPUs
|
||
|
|
|
||
|
|
chcpu.c mixed maxcpus (number of cpus) and setsize (size of CPU bit
|
||
|
|
mask). It effectively limits number of CPUs to 1/8 of the supported
|
||
|
|
amount.
|
||
|
|
|
||
|
|
Signed-off-by: Stanislav Brabec <sbrabec@suse.cz>
|
||
|
|
Cc: Michael Matz <matz@suse.de>
|
||
|
|
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
|
||
|
|
---
|
||
|
|
sys-utils/chcpu.c | 16 ++++++++--------
|
||
|
|
1 file changed, 8 insertions(+), 8 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/sys-utils/chcpu.c b/sys-utils/chcpu.c
|
||
|
|
index f32b7a6fc..4b5c7579a 100644
|
||
|
|
--- a/sys-utils/chcpu.c
|
||
|
|
+++ b/sys-utils/chcpu.c
|
||
|
|
@@ -75,12 +75,12 @@ enum {
|
||
|
|
*/
|
||
|
|
static int cpu_enable(cpu_set_t *cpu_set, size_t setsize, int enable)
|
||
|
|
{
|
||
|
|
- unsigned int cpu;
|
||
|
|
+ int cpu;
|
||
|
|
int online, rc;
|
||
|
|
int configured = -1;
|
||
|
|
- size_t fails = 0;
|
||
|
|
+ int fails = 0;
|
||
|
|
|
||
|
|
- for (cpu = 0; cpu < setsize; cpu++) {
|
||
|
|
+ for (cpu = 0; cpu < maxcpus; cpu++) {
|
||
|
|
if (!CPU_ISSET_S(cpu, setsize, cpu_set))
|
||
|
|
continue;
|
||
|
|
if (!path_exist(_PATH_SYS_CPU "/cpu%d", cpu)) {
|
||
|
|
@@ -132,7 +132,7 @@ static int cpu_enable(cpu_set_t *cpu_set, size_t setsize, int enable)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- return fails == 0 ? 0 : fails == setsize ? -1 : 1;
|
||
|
|
+ return fails == 0 ? 0 : fails == maxcpus ? -1 : 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int cpu_rescan(void)
|
||
|
|
@@ -168,11 +168,11 @@ static int cpu_set_dispatch(int mode)
|
||
|
|
*/
|
||
|
|
static int cpu_configure(cpu_set_t *cpu_set, size_t setsize, int configure)
|
||
|
|
{
|
||
|
|
- unsigned int cpu;
|
||
|
|
+ int cpu;
|
||
|
|
int rc, current;
|
||
|
|
- size_t fails = 0;
|
||
|
|
+ int fails = 0;
|
||
|
|
|
||
|
|
- for (cpu = 0; cpu < setsize; cpu++) {
|
||
|
|
+ for (cpu = 0; cpu < maxcpus; cpu++) {
|
||
|
|
if (!CPU_ISSET_S(cpu, setsize, cpu_set))
|
||
|
|
continue;
|
||
|
|
if (!path_exist(_PATH_SYS_CPU "/cpu%d", cpu)) {
|
||
|
|
@@ -217,7 +217,7 @@ static int cpu_configure(cpu_set_t *cpu_set, size_t setsize, int configure)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
- return fails == 0 ? 0 : fails == setsize ? -1 : 1;
|
||
|
|
+ return fails == 0 ? 0 : fails == maxcpus ? -1 : 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void cpu_parse(char *cpu_string, cpu_set_t *cpu_set, size_t setsize)
|
||
|
|
--
|
||
|
|
2.16.3
|
||
|
|
|