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From 255a3b8bb8cbcb3f689cc3332983983bfbf9eca0 Mon Sep 17 00:00:00 2001
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From: Stanislav Brabec <sbrabec@suse.cz>
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Date: Wed, 9 May 2018 18:08:32 +0200
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Subject: [PATCH 172/173] lscpu, chcpu: Avoid use of the old CPU macros
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The old CPU macros are limited to 1024 cores. As a result, lscpu cannot
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count sockets on large systems. Use new scalable macros.
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Signed-off-by: Stanislav Brabec <sbrabec@suse.cz>
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Cc: Michael Matz <matz@suse.de>
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Addresses: http://bugzilla.redhat.com/show_bug.cgi?id=1579439
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Upstream: http://github.com/karelzak/util-linux/commit/538b50cb0a4aac56b6b3b6e4d1e8ce886854c6d8
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---
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sys-utils/chcpu.c | 6 +++---
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sys-utils/lscpu.c | 7 +++++--
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2 files changed, 8 insertions(+), 5 deletions(-)
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diff --git a/sys-utils/chcpu.c b/sys-utils/chcpu.c
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index ada0eaacc..7843dfb22 100644
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--- a/sys-utils/chcpu.c
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+++ b/sys-utils/chcpu.c
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@@ -81,7 +81,7 @@ static int cpu_enable(cpu_set_t *cpu_set, size_t setsize, int enable)
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size_t fails = 0;
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for (cpu = 0; cpu < setsize; cpu++) {
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- if (!CPU_ISSET(cpu, cpu_set))
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+ if (!CPU_ISSET_S(cpu, setsize, cpu_set))
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continue;
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if (!path_exist(_PATH_SYS_CPU "/cpu%d", cpu)) {
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warnx(_("CPU %d does not exist"), cpu);
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@@ -127,7 +127,7 @@ static int cpu_enable(cpu_set_t *cpu_set, size_t setsize, int enable)
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} else {
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printf(_("CPU %d disabled\n"), cpu);
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if (onlinecpus)
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- CPU_CLR(cpu, onlinecpus);
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+ CPU_CLR_S(cpu, setsize, onlinecpus);
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}
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}
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}
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@@ -173,7 +173,7 @@ static int cpu_configure(cpu_set_t *cpu_set, size_t setsize, int configure)
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size_t fails = 0;
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for (cpu = 0; cpu < setsize; cpu++) {
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- if (!CPU_ISSET(cpu, cpu_set))
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+ if (!CPU_ISSET_S(cpu, setsize, cpu_set))
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continue;
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if (!path_exist(_PATH_SYS_CPU "/cpu%d", cpu)) {
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warnx(_("CPU %d does not exist"), cpu);
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diff --git a/sys-utils/lscpu.c b/sys-utils/lscpu.c
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index 4c15de1d4..002ad0d1c 100644
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--- a/sys-utils/lscpu.c
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+++ b/sys-utils/lscpu.c
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@@ -626,7 +626,7 @@ read_basicinfo(struct lscpu_desc *desc, struct lscpu_modifier *mod)
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desc->idx2cpunum = xcalloc(desc->ncpuspos, sizeof(int));
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for (num = 0, idx = 0; num < maxcpus; num++) {
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- if (CPU_ISSET(num, tmp))
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+ if (CPU_ISSET_S(num, setsize, tmp))
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desc->idx2cpunum[idx++] = num;
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}
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cpuset_free(tmp);
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@@ -2038,6 +2038,7 @@ int main(int argc, char *argv[])
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int c, i;
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int columns[ARRAY_SIZE(coldescs)], ncolumns = 0;
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int cpu_modifier_specified = 0;
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+ size_t setsize;
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static const struct option longopts[] = {
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{ "all", no_argument, NULL, 'a' },
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@@ -2134,10 +2135,12 @@ int main(int argc, char *argv[])
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read_basicinfo(desc, mod);
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+ setsize = CPU_ALLOC_SIZE(maxcpus);
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+
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for (i = 0; i < desc->ncpuspos; i++) {
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/* only consider present CPUs */
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if (desc->present &&
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- !CPU_ISSET(real_cpu_num(desc, i), desc->present))
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+ !CPU_ISSET_S(real_cpu_num(desc, i), setsize, desc->present))
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continue;
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read_topology(desc, i);
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read_cache(desc, i);
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--
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2.14.4
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