#include #include #include #include #include #include #include #include #include void change_floppy(char *fmt, ...); void mount_block_root(char *name, int flags); void mount_root(void); extern int root_mountflags; static inline int create_dev(char *name, dev_t dev) { sys_unlink(name); return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev)); } #if BITS_PER_LONG == 32 static inline u32 bstat(char *name) { struct stat64 stat; if (sys_stat64(name, &stat) != 0) return 0; if (!S_ISBLK(stat.st_mode)) return 0; if (stat.st_rdev != (u32)stat.st_rdev) return 0; return stat.st_rdev; } #else static inline u32 bstat(char *name) { struct stat stat; if (sys_newstat(name, &stat) != 0) return 0; if (!S_ISBLK(stat.st_mode)) return 0; return stat.st_rdev; } #endif #ifdef CONFIG_BLK_DEV_RAM int __init rd_load_disk(int n); int __init rd_load_image(char *from); #else static inline int rd_load_disk(int n) { return 0; } static inline int rd_load_image(char *from) { return 0; } #endif #ifdef CONFIG_BLK_DEV_INITRD bool __init initrd_load(void); #else static inline bool initrd_load(void) { return false; } #endif #ifdef CONFIG_BLK_DEV_MD void md_run_setup(void); #else static inline void md_run_setup(void) {} #endif r>net-next plumbingsTobias Klauser
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authorPeter Zijlstra <peterz@infradead.org>2017-01-26 23:15:08 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-30 11:41:26 +0100
commit0b3589be9b98994ce3d5aeca52445d1f5627c4ba (patch)
tree85d0d9b3ac902af2c938b19a566884caf8d00323 /net/core/scm.c
parenta76a82a3e38c8d3fb6499e3dfaeb0949241ab588 (diff)
perf/core: Fix PERF_RECORD_MMAP2 prot/flags for anonymous memory
Andres reported that MMAP2 records for anonymous memory always have their protection field 0. Turns out, someone daft put the prot/flags generation code in the file branch, leaving them unset for anonymous memory. Reported-by: Andres Freund <andres@anarazel.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Don Zickus <dzickus@redhat.com Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@gmail.com> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: acme@kernel.org Cc: anton@ozlabs.org Cc: namhyung@kernel.org Cc: stable@vger.kernel.org # v3.16+ Fixes: f972eb63b100 ("perf: Pass protection and flags bits through mmap2 interface") Link: http://lkml.kernel.org/r/20170126221508.GF6536@twins.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/core/scm.c')