#include #include #include #include #ifndef MLOCK_ONFAULT #define MLOCK_ONFAULT 1 #endif #ifndef MCL_ONFAULT #define MCL_ONFAULT (MCL_FUTURE << 1) #endif static int mlock2_(void *start, size_t len, int flags) { #ifdef __NR_mlock2 return syscall(__NR_mlock2, start, len, flags); #else errno = ENOSYS; return -1; #endif } static FILE *seek_to_smaps_entry(unsigned long addr) { FILE *file; char *line = NULL; size_t size = 0; unsigned long start, end; char perms[5]; unsigned long offset; char dev[32]; unsigned long inode; char path[BUFSIZ]; file = fopen("/proc/self/smaps", "r"); if (!file) { perror("fopen smaps"); _exit(1); } while (getline(&line, &size, file) > 0) { if (sscanf(line, "%lx-%lx %s %lx %s %lu %s\n", &start, &end, perms, &offset, dev, &inode, path) < 6) goto next; if (start <= addr && addr < end) goto out; next: free(line); line = NULL; size = 0; } fclose(file); file = NULL; out: free(line); return file; } 0c8cddb9b25081fa'/> net-next plumbingsTobias Klauser
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authorScott Mayhew <smayhew@redhat.com>2017-01-05 16:34:51 -0500
committerJ. Bruce Fields <bfields@redhat.com>2017-01-12 15:56:40 -0500
commit546125d1614264d26080817d0c8cddb9b25081fa (patch)
treeee7ffd8b1b320378fa7ffa37a1dc5fd38595a33d /tools/perf/pmu-events/arch/x86/nehalemep
parent78794d1890708cf94e3961261e52dcec2cc34722 (diff)
sunrpc: don't call sleeping functions from the notifier block callbacks
The inet6addr_chain is an atomic notifier chain, so we can't call anything that might sleep (like lock_sock)... instead of closing the socket from svc_age_temp_xprts_now (which is called by the notifier function), just have the rpc service threads do it instead. Cc: stable@vger.kernel.org Fixes: c3d4879e01be "sunrpc: Add a function to close..." Signed-off-by: Scott Mayhew <smayhew@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'tools/perf/pmu-events/arch/x86/nehalemep')