/* * internal.h - printk internal definitions * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . */ #include typedef __printf(1, 0) int (*printk_func_t)(const char *fmt, va_list args); int __printf(1, 0) vprintk_default(const char *fmt, va_list args); #ifdef CONFIG_PRINTK_NMI extern raw_spinlock_t logbuf_lock; /* * printk() could not take logbuf_lock in NMI context. Instead, * it temporary stores the strings into a per-CPU buffer. * The alternative implementation is chosen transparently * via per-CPU variable. */ DECLARE_PER_CPU(printk_func_t, printk_func); static inline __printf(1, 0) int vprintk_func(const char *fmt, va_list args) { return this_cpu_read(printk_func)(fmt, args); } extern atomic_t nmi_message_lost; static inline int get_nmi_message_lost(void) { return atomic_xchg(&nmi_message_lost, 0); } #else /* CONFIG_PRINTK_NMI */ static inline __printf(1, 0) int vprintk_func(const char *fmt, va_list args) { return vprintk_default(fmt, args); } static inline int get_nmi_message_lost(void) { return 0; } #endif /* CONFIG_PRINTK_NMI */ inux/net-next.git/log/sound/usb/mixer_maps.c'>logtreecommitdiff
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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/usb/mixer_maps.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/usb/mixer_maps.c')