/* * Simple pointer stack * * (c) 2010 Arnaldo Carvalho de Melo */ #include "util.h" #include "pstack.h" #include "debug.h" #include #include struct pstack { unsigned short top; unsigned short max_nr_entries; void *entries[0]; }; struct pstack *pstack__new(unsigned short max_nr_entries) { struct pstack *pstack = zalloc((sizeof(*pstack) + max_nr_entries * sizeof(void *))); if (pstack != NULL) pstack->max_nr_entries = max_nr_entries; return pstack; } void pstack__delete(struct pstack *pstack) { free(pstack); } bool pstack__empty(const struct pstack *pstack) { return pstack->top == 0; } void pstack__remove(struct pstack *pstack, void *key) { unsigned short i = pstack->top, last_index = pstack->top - 1; while (i-- != 0) { if (pstack->entries[i] == key) { if (i < last_index) memmove(pstack->entries + i, pstack->entries + i + 1, (last_index - i) * sizeof(void *)); --pstack->top; return; } } pr_err("%s: %p not on the pstack!\n", __func__, key); } void pstack__push(struct pstack *pstack, void *key) { if (pstack->top == pstack->max_nr_entries) { pr_err("%s: top=%d, overflow!\n", __func__, pstack->top); return; } pstack->entries[pstack->top++] = key; } void *pstack__pop(struct pstack *pstack) { void *ret; if (pstack->top == 0) { pr_err("%s: underflow!\n", __func__); return NULL; } ret = pstack->entries[--pstack->top]; pstack->entries[pstack->top] = NULL; return ret; } void *pstack__peek(struct pstack *pstack) { if (pstack->top == 0) return NULL; return pstack->entries[pstack->top - 1]; } et-next.git/refs/?h=nds-private-remove&id=b5b46c4740aed1538544f0fa849c5b76c7823469'>refslogtreecommitdiff
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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 /include/rdma/ib_umem_odp.h
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 'include/rdma/ib_umem_odp.h')