Completely remove now unused pc_other_cpus, pc_cpumask.
Tested by: pluknet
This commit is contained in:
parent
7b744f6b01
commit
a2f4e284b0
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/projects/largeSMP/; revision=223756
@ -39,13 +39,11 @@
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/cpuset.h>
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#include <sys/pcpu.h>
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#include <sys/sysctl.h>
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#include <kvm.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "kvm_private.h"
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@ -120,9 +118,6 @@ _kvm_pcpu_clear(void)
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void *
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kvm_getpcpu(kvm_t *kd, int cpu)
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{
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long kcpusetsize;
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ssize_t nbytes;
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uintptr_t readptr;
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char *buf;
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if (kd == NULL) {
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@ -130,10 +125,6 @@ kvm_getpcpu(kvm_t *kd, int cpu)
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return (NULL);
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}
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kcpusetsize = sysconf(_SC_CPUSET_SIZE);
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if (kcpusetsize == -1 || (u_long)kcpusetsize > sizeof(cpuset_t))
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return ((void *)-1);
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if (maxcpu == 0)
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if (_kvm_pcpu_init(kd) < 0)
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return ((void *)-1);
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@ -146,26 +137,8 @@ kvm_getpcpu(kvm_t *kd, int cpu)
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_kvm_err(kd, kd->program, "out of memory");
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return ((void *)-1);
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}
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nbytes = sizeof(struct pcpu) - 2 * kcpusetsize;
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readptr = (uintptr_t)pcpu_data[cpu];
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if (kvm_read(kd, readptr, buf, nbytes) != nbytes) {
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_kvm_err(kd, kd->program, "unable to read per-CPU data");
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free(buf);
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return ((void *)-1);
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}
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/* Fetch the valid cpuset_t objects. */
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CPU_ZERO((cpuset_t *)(buf + nbytes));
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CPU_ZERO((cpuset_t *)(buf + nbytes + sizeof(cpuset_t)));
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readptr += nbytes;
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if (kvm_read(kd, readptr, buf + nbytes, kcpusetsize) != kcpusetsize) {
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_kvm_err(kd, kd->program, "unable to read per-CPU data");
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free(buf);
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return ((void *)-1);
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}
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readptr += kcpusetsize;
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if (kvm_read(kd, readptr, buf + nbytes + sizeof(cpuset_t),
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kcpusetsize) != kcpusetsize) {
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if (kvm_read(kd, (uintptr_t)pcpu_data[cpu], buf,
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sizeof(struct pcpu)) != sizeof(struct pcpu)) {
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_kvm_err(kd, kd->program, "unable to read per-CPU data");
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free(buf);
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return ((void *)-1);
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@ -87,7 +87,6 @@ pcpu_init(struct pcpu *pcpu, int cpuid, size_t size)
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KASSERT(cpuid >= 0 && cpuid < MAXCPU,
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("pcpu_init: invalid cpuid %d", cpuid));
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pcpu->pc_cpuid = cpuid;
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CPU_SETOF(cpuid, &pcpu->pc_cpumask);
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cpuid_to_pcpu[cpuid] = pcpu;
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STAILQ_INSERT_TAIL(&cpuhead, pcpu, pc_allcpu);
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cpu_pcpu_init(pcpu, cpuid, size);
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@ -196,18 +196,6 @@ struct pcpu {
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* if only to make kernel debugging easier.
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*/
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PCPU_MD_FIELDS;
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/*
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* XXX
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* For the time being, keep the cpuset_t objects as the very last
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* members of the structure.
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* They are actually tagged to be removed soon, but as long as this
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* does not happen, it is necessary to find a way to implement
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* easilly interfaces to userland and leaving them last makes that
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* possible.
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*/
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cpuset_t pc_cpumask; /* This cpu mask */
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cpuset_t pc_other_cpus; /* Mask of all other cpus */
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} __aligned(CACHE_LINE_SIZE);
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#ifdef _KERNEL
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