/* -*- mode: c; c-basic-offset: 8; -*- * vim: noexpandtab sw=8 ts=8 sts=0: * * heartbeat.c * * Register ourselves with the heartbaet service, keep our node maps * up to date, and fire off recovery when needed. * * Copyright (C) 2002, 2004 Oracle. All rights reserved. * * 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, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 021110-1307, USA. */ #include #include #include #include #include "ocfs2.h" #include "alloc.h" #include "heartbeat.h" #include "inode.h" #include "journal.h" #include "ocfs2_trace.h" #include "buffer_head_io.h" static inline void __ocfs2_node_map_set_bit(struct ocfs2_node_map *map, int bit); static inline void __ocfs2_node_map_clear_bit(struct ocfs2_node_map *map, int bit); /* special case -1 for now * TODO: should *really* make sure the calling func never passes -1!! */ static void ocfs2_node_map_init(struct ocfs2_node_map *map) { map->num_nodes = OCFS2_NODE_MAP_MAX_NODES; memset(map->map, 0, BITS_TO_LONGS(OCFS2_NODE_MAP_MAX_NODES) * sizeof(unsigned long)); } void ocfs2_init_node_maps(struct ocfs2_super *osb) { spin_lock_init(&osb->node_map_lock); ocfs2_node_map_init(&osb->osb_recovering_orphan_dirs); } void ocfs2_do_node_down(int node_num, void *data) { struct ocfs2_super *osb = data; BUG_ON(osb->node_num == node_num); trace_ocfs2_do_node_down(node_num); if (!osb->cconn) { /* * No cluster connection means we're not even ready to * participate yet. We check the slots after the cluster * comes up, so we will notice the node death then. We * can safely ignore it here. */ return; } ocfs2_recovery_thread(osb, node_num); } static inline void __ocfs2_node_map_set_bit(struct ocfs2_node_map *map, int bit) { set_bit(bit, map->map); } void ocfs2_node_map_set_bit(struct ocfs2_super *osb, struct ocfs2_node_map *map, int bit) { if (bit==-1) return; BUG_ON(bit >= map->num_nodes); spin_lock(&osb->node_map_lock); __ocfs2_node_map_set_bit(map, bit); spin_unlock(&osb->node_map_lock); } static inline void __ocfs2_node_map_clear_bit(struct ocfs2_node_map *map, int bit) { clear_bit(bit, map->map); } void ocfs2_node_map_clear_bit(struct ocfs2_super *osb, struct ocfs2_node_map *map, int bit) { if (bit==-1) return; BUG_ON(bit >= map->num_nodes); spin_lock(&osb->node_map_lock); __ocfs2_node_map_clear_bit(map, bit); spin_unlock(&osb->node_map_lock); } int ocfs2_node_map_test_bit(struct ocfs2_super *osb, struct ocfs2_node_map *map, int bit) { int ret; if (bit >= map->num_nodes) { mlog(ML_ERROR, "bit=%d map->num_nodes=%d\n", bit, map->num_nodes); BUG(); } spin_lock(&osb->node_map_lock); ret = test_bit(bit, map->map); spin_unlock(&osb->node_map_lock); return ret; } space:mode:
authorDave Airlie <airlied@redhat.com>2017-01-26 06:44:03 +1000
committerDave Airlie <airlied@redhat.com>2017-01-26 06:44:03 +1000
commit54a07c7bb0da0343734c78212bbe9f3735394962 (patch)
tree714efff4608ddc0dda7dc85ca82ae98e2c58b52c /sound/pci/hda/hda_bind.c
parent932790109f62aa52bdb4bb62aa66653c0b51bc75 (diff)
Revert "drm/probe-helpers: Drop locking from poll_enable"
This reverts commit 3846fd9b86001bea171943cc3bb9222cb6da6b42. There were some precursor commits missing for this around connector locking, we should probably merge Lyude's nouveau avoid the problem patch.
Diffstat (limited to 'sound/pci/hda/hda_bind.c')
0008 r1 : bf000000 r0 : 00000000 Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user Control: 0000217f Table: c3b58055 DAC: 00000055 Process ash (pid: 448, stack limit = 0xc3b4e190) Stack: (0xc3b4fe6c to 0xc3b50000) fe60: bee3ef83 c05168d1 ffffffff 00000000 c3adfe80 fe80: c3a03300 00000000 c3b4fed0 c3a03400 bee3ef83 c387a5a0 b6f1bf88 00000001 fea0: c3b4febc 00000076 c022fcf8 80000013 ffffffff 0000003f bf000000 bee3ef83 fec0: 00000004 00000000 c3adfe80 c00e432c 00000812 00000005 00000001 00000006 fee0: b6f1b000 00000000 00010000 0003c944 0004d000 0004d439 00010000 b6f1b000 ff00: 00000005 00000000 00015ecc c3b4fed0 0000000a 00000000 00000000 c00a1dc0 ff20: befff000 c3a03300 c3b4e000 c0507cd8 c0508024 fffffff8 c3a03300 00000000 ff40: c0516a58 c00a35bc c39e03a0 000001c0 bea84ce8 0004e008 c3b3a000 c00a3ac0 ff60: c3b40374 c3b3a000 bea84d11 00000000 c0500188 bea84d11 bea84ce8 00000001 ff80: 0000000b c000a304 c3b4e000 00000000 bea84ce4 c00a3cd0 00000000 bea84d11 ffa0: bea84ce8 c000a160 bea84d11 bea84ce8 bea84d11 bea84ce8 0004e008 0004d450 ffc0: bea84d11 bea84ce8 00000001 0000000b b6f45ee4 00000000 b6f5ff70 bea84ce4 ffe0: b6f2f130 bea84cb0 b6f2f194 b6ef29f4 a0000010 bea84d11 02c7cffa 02c7cffd [<c000d3ac>] (__dabt_svc) from [<c022fcf8>] (__copy_to_user_std+0xf8/0x330) [<c022fcf8>] (__copy_to_user_std) from [<c00e432c>] +(load_elf_binary+0x920/0x107c) [<c00e432c>] (load_elf_binary) from [<c00a35bc>] +(search_binary_handler+0x80/0x16c) [<c00a35bc>] (search_binary_handler) from [<c00a3ac0>] +(do_execveat_common+0x418/0x600) [<c00a3ac0>] (do_execveat_common) from [<c00a3cd0>] (do_execve+0x28/0x30) [<c00a3cd0>] (do_execve) from [<c000a160>] (ret_fast_syscall+0x0/0x30) Code: e1a0200d eb00136b e321f093 e59d104c (e5891008) ---[ end trace 4b4f8086ebef98c5 ]--- Fixes: e6978e4bf181 ("ARM: save and reset the address limit when entering an exception") Reported-by: Alexander Shiyan <shc_work@mail.ru> Tested-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'Documentation')