/* * A security identifier table (sidtab) is a hash table * of security context structures indexed by SID value. * * Author : Stephen Smalley, */ #ifndef _SS_SIDTAB_H_ #define _SS_SIDTAB_H_ #include "context.h" struct sidtab_node { u32 sid; /* security identifier */ struct context context; /* security context structure */ struct sidtab_node *next; }; #define SIDTAB_HASH_BITS 7 #define SIDTAB_HASH_BUCKETS (1 << SIDTAB_HASH_BITS) #define SIDTAB_HASH_MASK (SIDTAB_HASH_BUCKETS-1) #define SIDTAB_SIZE SIDTAB_HASH_BUCKETS struct sidtab { struct sidtab_node **htable; unsigned int nel; /* number of elements */ unsigned int next_sid; /* next SID to allocate */ unsigned char shutdown; #define SIDTAB_CACHE_LEN 3 struct sidtab_node *cache[SIDTAB_CACHE_LEN]; spinlock_t lock; }; int sidtab_init(struct sidtab *s); int sidtab_insert(struct sidtab *s, u32 sid, struct context *context); struct context *sidtab_search(struct sidtab *s, u32 sid); struct context *sidtab_search_force(struct sidtab *s, u32 sid); int sidtab_map(struct sidtab *s, int (*apply) (u32 sid, struct context *context, void *args), void *args); int sidtab_context_to_sid(struct sidtab *s, struct context *context, u32 *sid); void sidtab_hash_eval(struct sidtab *h, char *tag); void sidtab_destroy(struct sidtab *s); void sidtab_set(struct sidtab *dst, struct sidtab *src); void sidtab_shutdown(struct sidtab *s); #endif /* _SS_SIDTAB_H_ */ s Klauser
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authorJiri Slaby <jslaby@suse.cz>2017-01-18 14:29:21 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-19 08:39:44 +0100
commitb5b46c4740aed1538544f0fa849c5b76c7823469 (patch)
tree125e7aced4835bad6f6a0c0d02d012f333caf922 /sound/pci/oxygen/se6x.c
parentfa19a769f82fb9a5ca000b83cacd13fcaeda51ac (diff)
objtool: Fix IRET's opcode
The IRET opcode is 0xcf according to the Intel manual and also to objdump of my vmlinux: 1ea8: 48 cf iretq Fix the opcode in arch_decode_instruction(). The previous value (0xc5) seems to correspond to LDS. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> 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: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20170118132921.19319-1-jslaby@suse.cz Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'sound/pci/oxygen/se6x.c')