diff options
| author | Takao Indoh <indou.takao@jp.fujitsu.com> | 2014-06-05 14:10:54 +0900 |
|---|---|---|
| committer | Simon Horman <horms@verge.net.au> | 2014-06-05 18:07:06 +0900 |
| commit | 08484c97ecce7df2ded8079c6478a58262007acc (patch) | |
| tree | 0e5779d15ad8dd2a222edf572736c2805477a679 | |
| parent | 0c41d96cbed0ae895fd7da425f755a8684558e1c (diff) | |
| download | kexec-tools-08484c97ecce7df2ded8079c6478a58262007acc.tar.gz | |
Enumerate all /sys/devices/system/cpu/cpuN when they are discontiguous
There is a case that the number of /sys/devices/system/cpu/cpuN is not
contiguous, for example after cpu hot removing. This patch fixes so that
all /sys/devices/system/cpu/cpuN is handled when they are discontiguous.
Signed-off-by: Takao Indoh <indou.takao@jp.fujitsu.com>
Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Acked-by: WANG Chao <chaowang@redhat.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
| -rw-r--r-- | kexec/crashdump-elf.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kexec/crashdump-elf.c b/kexec/crashdump-elf.c index 2baa357..c869347 100644 --- a/kexec/crashdump-elf.c +++ b/kexec/crashdump-elf.c @@ -41,6 +41,7 @@ int FUNC(struct kexec_info *info, uint64_t vmcoreinfo_addr, vmcoreinfo_len; int has_vmcoreinfo = 0; int (*get_note_info)(int cpu, uint64_t *addr, uint64_t *len); + long int count_cpu; if (xen_present()) nr_cpus = xen_get_nr_phys_cpus(); @@ -138,11 +139,13 @@ int FUNC(struct kexec_info *info, /* PT_NOTE program headers. One per cpu */ - for (i = 0; i < nr_cpus; i++) { + count_cpu = nr_cpus; + for (i = 0; count_cpu > 0; i++) { if (get_note_info(i, ¬es_addr, ¬es_len) < 0) { /* This cpu is not present. Skip it. */ continue; } + count_cpu--; phdr = (PHDR *) bufp; bufp += sizeof(PHDR); |