#ifndef __PROBE_FILE_H #define __PROBE_FILE_H #include "strlist.h" #include "strfilter.h" #include "probe-event.h" /* Cache of probe definitions */ struct probe_cache_entry { struct list_head node; bool sdt; struct perf_probe_event pev; char *spev; struct strlist *tevlist; }; struct probe_cache { int fd; struct list_head entries; }; enum probe_type { PROBE_TYPE_U = 0, PROBE_TYPE_S, PROBE_TYPE_X, PROBE_TYPE_STRING, PROBE_TYPE_BITFIELD, PROBE_TYPE_END, }; #define PF_FL_UPROBE 1 #define PF_FL_RW 2 #define for_each_probe_cache_entry(entry, pcache) \ list_for_each_entry(entry, &pcache->entries, node) /* probe-file.c depends on libelf */ #ifdef HAVE_LIBELF_SUPPORT int probe_file__open(int flag); int probe_file__open_both(int *kfd, int *ufd, int flag); struct strlist *probe_file__get_namelist(int fd); struct strlist *probe_file__get_rawlist(int fd); int probe_file__add_event(int fd, struct probe_trace_event *tev); int probe_file__del_events(int fd, struct strfilter *filter); int probe_file__get_events(int fd, struct strfilter *filter, struct strlist *plist); int probe_file__del_strlist(int fd, struct strlist *namelist); int probe_cache_entry__get_event(struct probe_cache_entry *entry, struct probe_trace_event **tevs); struct probe_cache *probe_cache__new(const char *target); int probe_cache__add_entry(struct probe_cache *pcache, struct perf_probe_event *pev, struct probe_trace_event *tevs, int ntevs); int probe_cache__scan_sdt(struct probe_cache *pcache, const char *pathname); int probe_cache__commit(struct probe_cache *pcache); void probe_cache__purge(struct probe_cache *pcache); void probe_cache__delete(struct probe_cache *pcache); int probe_cache__filter_purge(struct probe_cache *pcache, struct strfilter *filter); struct probe_cache_entry *probe_cache__find(struct probe_cache *pcache, struct perf_probe_event *pev); struct probe_cache_entry *probe_cache__find_by_name(struct probe_cache *pcache, const char *group, const char *event); int probe_cache__show_all_caches(struct strfilter *filter); bool probe_type_is_available(enum probe_type type); #else /* ! HAVE_LIBELF_SUPPORT */ static inline struct probe_cache *probe_cache__new(const char *tgt __maybe_unused) { return NULL; } #define probe_cache__delete(pcache) do {} while (0) #endif #endif ' name='id' value='96685a55a82c383cbba7ef1d4a636acf708cf17f'/>
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authorBorislav Petkov <bp@suse.de>2016-06-01 12:04:28 +0200
committerIngo Molnar <mingo@kernel.org>2016-06-08 13:51:34 +0200
commit96685a55a82c383cbba7ef1d4a636acf708cf17f (patch)
tree74eb7fb6eec87dc3828d7ebd28ef01b95e478861
parent970442c599b22ccd644ebfe94d1d303bf6f87c05 (diff)
x86/cpu/AMD: Extend X86_FEATURE_TOPOEXT workaround to newer models
We need to reenable the topology extensions CPUID leafs on newer models too, if BIOS has disabled them, as we rely on them to get proper compute unit topology. Make the printk a once thing, while at it. Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rui Huang <ray.huang@amd.com> Cc: Sherry Hurwitz <sherry.hurwitz@amd.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-hwmon@vger.kernel.org Link: http://lkml.kernel.org/r/1464775468-23355-1-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
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