#ifndef _SCSI_SCSI_DEVINFO_H #define _SCSI_SCSI_DEVINFO_H /* * Flags for SCSI devices that need special treatment */ #define BLIST_NOLUN 0x001 /* Only scan LUN 0 */ #define BLIST_FORCELUN 0x002 /* Known to have LUNs, force scanning, deprecated: Use max_luns=N */ #define BLIST_BORKEN 0x004 /* Flag for broken handshaking */ #define BLIST_KEY 0x008 /* unlock by special command */ #define BLIST_SINGLELUN 0x010 /* Do not use LUNs in parallel */ #define BLIST_NOTQ 0x020 /* Buggy Tagged Command Queuing */ #define BLIST_SPARSELUN 0x040 /* Non consecutive LUN numbering */ #define BLIST_MAX5LUN 0x080 /* Avoid LUNS >= 5 */ #define BLIST_ISROM 0x100 /* Treat as (removable) CD-ROM */ #define BLIST_LARGELUN 0x200 /* LUNs past 7 on a SCSI-2 device */ #define BLIST_INQUIRY_36 0x400 /* override additional length field */ #define BLIST_INQUIRY_58 0x800 /* ... for broken inquiry responses */ #define BLIST_NOSTARTONADD 0x1000 /* do not do automatic start on add */ #define BLIST_MS_SKIP_PAGE_08 0x2000 /* do not send ms page 0x08 */ #define BLIST_MS_SKIP_PAGE_3F 0x4000 /* do not send ms page 0x3f */ #define BLIST_USE_10_BYTE_MS 0x8000 /* use 10 byte ms before 6 byte ms */ #define BLIST_MS_192_BYTES_FOR_3F 0x10000 /* 192 byte ms page 0x3f request */ #define BLIST_REPORTLUN2 0x20000 /* try REPORT_LUNS even for SCSI-2 devs (if HBA supports more than 8 LUNs) */ #define BLIST_NOREPORTLUN 0x40000 /* don't try REPORT_LUNS scan (SCSI-3 devs) */ #define BLIST_NOT_LOCKABLE 0x80000 /* don't use PREVENT-ALLOW commands */ #define BLIST_NO_ULD_ATTACH 0x100000 /* device is actually for RAID config */ #define BLIST_SELECT_NO_ATN 0x200000 /* select without ATN */ #define BLIST_RETRY_HWERROR 0x400000 /* retry HARDWARE_ERROR */ #define BLIST_MAX_512 0x800000 /* maximum 512 sector cdb length */ #define BLIST_ATTACH_PQ3 0x1000000 /* Scan: Attach to PQ3 devices */ #define BLIST_NO_DIF 0x2000000 /* Disable T10 PI (DIF) */ #define BLIST_SKIP_VPD_PAGES 0x4000000 /* Ignore SBC-3 VPD pages */ #define BLIST_SCSI3LUN 0x8000000 /* Scan more than 256 LUNs for sequential scan */ #define BLIST_TRY_VPD_PAGES 0x10000000 /* Attempt to read VPD pages */ #define BLIST_NO_RSOC 0x20000000 /* don't try to issue RSOC */ #define BLIST_MAX_1024 0x40000000 /* maximum 1024 sector cdb length */ #define BLIST_SYNC_ALUA 0x80000000 /* Synchronous ALUA commands */ #endif ext.git/log/include/dt-bindings/leds'>
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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/dt-bindings/leds
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/dt-bindings/leds')