/* * Copyright © 2014 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #ifndef DRM_DISPLAYID_H #define DRM_DISPLAYID_H #define DATA_BLOCK_PRODUCT_ID 0x00 #define DATA_BLOCK_DISPLAY_PARAMETERS 0x01 #define DATA_BLOCK_COLOR_CHARACTERISTICS 0x02 #define DATA_BLOCK_TYPE_1_DETAILED_TIMING 0x03 #define DATA_BLOCK_TYPE_2_DETAILED_TIMING 0x04 #define DATA_BLOCK_TYPE_3_SHORT_TIMING 0x05 #define DATA_BLOCK_TYPE_4_DMT_TIMING 0x06 #define DATA_BLOCK_VESA_TIMING 0x07 #define DATA_BLOCK_CEA_TIMING 0x08 #define DATA_BLOCK_VIDEO_TIMING_RANGE 0x09 #define DATA_BLOCK_PRODUCT_SERIAL_NUMBER 0x0a #define DATA_BLOCK_GP_ASCII_STRING 0x0b #define DATA_BLOCK_DISPLAY_DEVICE_DATA 0x0c #define DATA_BLOCK_INTERFACE_POWER_SEQUENCING 0x0d #define DATA_BLOCK_TRANSFER_CHARACTERISTICS 0x0e #define DATA_BLOCK_DISPLAY_INTERFACE 0x0f #define DATA_BLOCK_STEREO_DISPLAY_INTERFACE 0x10 #define DATA_BLOCK_TILED_DISPLAY 0x12 #define DATA_BLOCK_VENDOR_SPECIFIC 0x7f #define PRODUCT_TYPE_EXTENSION 0 #define PRODUCT_TYPE_TEST 1 #define PRODUCT_TYPE_PANEL 2 #define PRODUCT_TYPE_MONITOR 3 #define PRODUCT_TYPE_TV 4 #define PRODUCT_TYPE_REPEATER 5 #define PRODUCT_TYPE_DIRECT_DRIVE 6 struct displayid_hdr { u8 rev; u8 bytes; u8 prod_id; u8 ext_count; } __packed; struct displayid_block { u8 tag; u8 rev; u8 num_bytes; } __packed; struct displayid_tiled_block { struct displayid_block base; u8 tile_cap; u8 topo[3]; u8 tile_size[4]; u8 tile_pixel_bezel[5]; u8 topology_id[8]; } __packed; struct displayid_detailed_timings_1 { u8 pixel_clock[3]; u8 flags; u8 hactive[2]; u8 hblank[2]; u8 hsync[2]; u8 hsw[2]; u8 vactive[2]; u8 vblank[2]; u8 vsync[2]; u8 vsw[2]; } __packed; struct displayid_detailed_timing_block { struct displayid_block base; struct displayid_detailed_timings_1 timings[0]; }; #endif ed95247f230fdc8b041658'>uapi
'>net/irda/irlan_provider.h
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authorAndrei Vagin <avagin@openvz.org>2017-01-04 19:28:14 -0800
committerEric W. Biederman <ebiederm@xmission.com>2017-01-10 13:34:56 +1300
commitadd7c65ca426b7a37184dd3d2172394e23d585d6 (patch)
tree28b08b519540041b06ed0ab0b1c005076b932e8e /include/net/irda/irlan_provider.h
parent75422726b0f717d67db3283c2eb5bc14fa2619c5 (diff)
pid: fix lockdep deadlock warning due to ucount_lock
========================================================= [ INFO: possible irq lock inversion dependency detected ] 4.10.0-rc2-00024-g4aecec9-dirty #118 Tainted: G W --------------------------------------------------------- swapper/1/0 just changed the state of lock: (&(&sighand->siglock)->rlock){-.....}, at: [<ffffffffbd0a1bc6>] __lock_task_sighand+0xb6/0x2c0 but this lock took another, HARDIRQ-unsafe lock in the past: (ucounts_lock){+.+...} and interrupts could create inverse lock ordering between them. other info that might help us debug this: Chain exists of: &(&sighand->siglock)->rlock --> &(&tty->ctrl_lock)->rlock --> ucounts_lock Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(ucounts_lock); local_irq_disable(); lock(&(&sighand->siglock)->rlock); lock(&(&tty->ctrl_lock)->rlock); <Interrupt> lock(&(&sighand->siglock)->rlock); *** DEADLOCK *** This patch removes a dependency between rlock and ucount_lock. Fixes: f333c700c610 ("pidns: Add a limit on the number of pid namespaces") Cc: stable@vger.kernel.org Signed-off-by: Andrei Vagin <avagin@openvz.org> Acked-by: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Diffstat (limited to 'include/net/irda/irlan_provider.h')