- 08 6月, 2016 27 次提交
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由 Mike Christie 提交于
Separate the op from the rq_flag_bits and have md set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
Separate the op from the rq_flag_bits and have drbd set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
Separate the op from the rq_flag_bits and have bcache set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
Separate the op from the rq_flag_bits and have dm set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
It looks like dm stats cares about the data direction (READ vs WRITE) and does not need the bio/request flags. Commands like REQ_FLUSH, REQ_DISCARD and REQ_WRITE_SAME are currently always set with REQ_WRITE, so the extra check for REQ_DISCARD in dm_stats_account_io is not needed. This patch has it use the bio and request data_dir helpers instead of accessing the bi_rw/cmd_flags directly. This makes the next patches that remove the operation from the cmd_flags and bi_rw easier, because we will no longer have the REQ_WRITE bit set for operations like discards. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
Separate the op from the rq_flag_bits and have the pm code set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
Separate the op from the rq_flag_bits and have ocfs2 set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
Separate the op from the rq_flag_bits and have nilfs set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Acked-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
Separate the op from the rq_flag_bits and have the mpage code set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
Separate the op from the rq_flag_bits and have gfs2 set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
Separate the op from the rq_flag_bits and have xfs set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: NMike Christie <mchristi@redhat.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
Separate the op from the rq_flag_bits and have gfs2 set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
Separate the op from the rq_flag_bits and have f2fs set/get the bio using bio_set_op_attrs/bio_op. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
The bio REQ_OP and bi_rw rq_flag_bits are now always setup, so there is no need to pass around the rq_flag_bits bits too. btrfs users should should access the bio insead. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
We no longer pass in a bitmap of rq_flag_bits bits to __btrfs_map_block. It will always be a REQ_OP, or the btrfs specific REQ_GET_READ_MIRRORS, so this drops the bit tests. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
This should be the easier cases to convert btrfs to bio_set_op_attrs/bio_op. They are mostly just cut and replace type of changes. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
This patch has btrfs's submit_one_bio users set the bio op using bio_set_op_attrs and get the op using bio_op. The next patches will continue to convert btrfs, so submit_bio_hook and merge_bio_hook related code will be modified to take only the bio. I did not do it in this patch to try and keep it smaller. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
This patch has the dio code use a REQ_OP for the op and rq_flag_bits for bi_rw flags. To set/get the op it uses the bio_set_op_attrs/bio_op accssors. It also begins to convert btrfs's dio_submit_t because of the dio submit_io callout use. The next patches will completely convert this code and the reset of the btrfs code paths. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
This converts the block issue discard helper and users to use the bio_set_op_attrs accessor and only pass in the operation flags like REQ_SEQURE. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
This patch converts the simple bi_rw use cases in the block, drivers, mm and fs code to set/get the bio operation using bio_set_op_attrs/bio_op These should be simple one or two liner cases, so I just did them in one patch. The next patches handle the more complicated cases in a module per patch. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
We currently set REQ_WRITE/WRITE for all non READ IOs like discard, flush, writesame, etc. In the next patches where we no longer set up the op as a bitmap, we will not be able to detect a operation direction like writesame by testing if REQ_WRITE is set. This has bcache use the op_is_write helper which will do the right thing. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
We currently set REQ_WRITE/WRITE for all non READ IOs like discard, flush, writesame, etc. In the next patches where we no longer set up the op as a bitmap, we will not be able to detect a operation direction like writesame by testing if REQ_WRITE is set. This has dm use the op_is_write helper which will do the right thing. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
We currently set REQ_WRITE/WRITE for all non READ IOs like discard, flush, writesame, etc. In the next patches where we no longer set up the op as a bitmap, we will not be able to detect a operation direction like writesame by testing if REQ_WRITE is set. This patch converts the drivers and cgroup to use the op_is_write helper. This should just cover the simple cases. I did dm, md and bcache in their own patches because they were more involved. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
This has ll_rw_block users pass in the operation and flags separately, so ll_rw_block can setup the bio op and bi_rw flags on the bio that is submitted. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
This has submit_bh users pass in the operation and flags separately, so submit_bh_wbc can setup the bio op and bi_rw flags on the bio that is submitted. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
The following patches separate the operation (WRITE, READ, DISCARD, etc) from the rq_flag_bits flags. This patch adds definitions for request/bio operations (REQ_OPs) and adds request/bio accessors to get/set the op. In this patch the REQ_OPs match the REQ rq_flag_bits ones for compat reasons while all the code is converted to use the op accessors in the set. In the last patches the op will become a number and the accessors and helpers in this patch will be dropped or updated. Signed-off-by: NMike Christie <mchristi@redhat.com> Reviewed-by: NHannes Reinecke <hare@suse.com> Signed-off-by: NJens Axboe <axboe@fb.com>
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由 Mike Christie 提交于
This has callers of submit_bio/submit_bio_wait set the bio->bi_rw instead of passing it in. This makes that use the same as generic_make_request and how we set the other bio fields. Signed-off-by: NMike Christie <mchristi@redhat.com> Fixed up fs/ext4/crypto.c Signed-off-by: NJens Axboe <axboe@fb.com>
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- 06 6月, 2016 4 次提交
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由 Linus Torvalds 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux由 Linus Torvalds 提交于
Pull parisc fixes from Helge Deller: - Fix printk time stamps on SMP systems which got wrong due to a patch which was added during the merge window - Fix two bugs in the stack backtrace code: Races in module unloading and possible invalid accesses to memory due to wrong instruction decoding (Mikulas Patocka) - Fix userspace crash when syscalls access invalid unaligned userspace addresses. Those syscalls will now return EFAULT as expected. (tagged for stable kernel series) * 'parisc-4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Move die_if_kernel() prototype into traps.h header parisc: Fix pagefault crash in unaligned __get_user() call parisc: Fix printk time during boot parisc: Fix backtrace on PA-RISC
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security由 Linus Torvalds 提交于
Pull key handling update from James Morris: "This alters a new keyctl function added in the current merge window to allow for a future extension planned for the next merge window" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: KEYS: Add placeholder for KDF usage with DH
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由 Eric W. Biederman 提交于
The /dev/ptmx device node is changed to lookup the directory entry "pts" in the same directory as the /dev/ptmx device node was opened in. If there is a "pts" entry and that entry is a devpts filesystem /dev/ptmx uses that filesystem. Otherwise the open of /dev/ptmx fails. The DEVPTS_MULTIPLE_INSTANCES configuration option is removed, so that userspace can now safely depend on each mount of devpts creating a new instance of the filesystem. Each mount of devpts is now a separate and equal filesystem. Reserved ttys are now available to all instances of devpts where the mounter is in the initial mount namespace. A new vfs helper path_pts is introduced that finds a directory entry named "pts" in the directory of the passed in path, and changes the passed in path to point to it. The helper path_pts uses a function path_parent_directory that was factored out of follow_dotdot. In the implementation of devpts: - devpts_mnt is killed as it is no longer meaningful if all mounts of devpts are equal. - pts_sb_from_inode is replaced by just inode->i_sb as all cached inodes in the tty layer are now from the devpts filesystem. - devpts_add_ref is rolled into the new function devpts_ptmx. And the unnecessary inode hold is removed. - devpts_del_ref is renamed devpts_release and reduced to just a deacrivate_super. - The newinstance mount option continues to be accepted but is now ignored. In devpts_fs.h definitions for when !CONFIG_UNIX98_PTYS are removed as they are never used. Documentation/filesystems/devices.txt is updated to describe the current situation. This has been verified to work properly on openwrt-15.05, centos5, centos6, centos7, debian-6.0.2, debian-7.9, debian-8.2, ubuntu-14.04.3, ubuntu-15.10, fedora23, magia-5, mint-17.3, opensuse-42.1, slackware-14.1, gentoo-20151225 (13.0?), archlinux-2015-12-01. With the caveat that on centos6 and on slackware-14.1 that there wind up being two instances of the devpts filesystem mounted on /dev/pts, the lower copy does not end up getting used. Signed-off-by: N"Eric W. Biederman" <ebiederm@xmission.com> Cc: Greg KH <greg@kroah.com> Cc: Peter Hurley <peter@hurleysoftware.com> Cc: Peter Anvin <hpa@zytor.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Serge Hallyn <serge.hallyn@ubuntu.com> Cc: Willy Tarreau <w@1wt.eu> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> Cc: Jann Horn <jann@thejh.net> Cc: Jiri Slaby <jslaby@suse.com> Cc: Florian Weimer <fw@deneb.enyo.de> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 05 6月, 2016 9 次提交
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由 Helge Deller 提交于
Signed-off-by: NHelge Deller <deller@gmx.de>
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由 Helge Deller 提交于
One of the debian buildd servers had this crash in the syslog without any other information: Unaligned handler failed, ret = -2 clock_adjtime (pid 22578): Unaligned data reference (code 28) CPU: 1 PID: 22578 Comm: clock_adjtime Tainted: G E 4.5.0-2-parisc64-smp #1 Debian 4.5.4-1 task: 000000007d9960f8 ti: 00000001bde7c000 task.ti: 00000001bde7c000 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001001111100000001111 Tainted: G E r00-03 000000ff0804f80f 00000001bde7c2b0 00000000402d2be8 00000001bde7c2b0 r04-07 00000000409e1fd0 00000000fa6f7fff 00000001bde7c148 00000000fa6f7fff r08-11 0000000000000000 00000000ffffffff 00000000fac9bb7b 000000000002b4d4 r12-15 000000000015241c 000000000015242c 000000000000002d 00000000fac9bb7b r16-19 0000000000028800 0000000000000001 0000000000000070 00000001bde7c218 r20-23 0000000000000000 00000001bde7c210 0000000000000002 0000000000000000 r24-27 0000000000000000 0000000000000000 00000001bde7c148 00000000409e1fd0 r28-31 0000000000000001 00000001bde7c320 00000001bde7c350 00000001bde7c218 sr00-03 0000000001200000 0000000001200000 0000000000000000 0000000001200000 sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 00000000402d2e84 00000000402d2e88 IIR: 0ca0d089 ISR: 0000000001200000 IOR: 00000000fa6f7fff CPU: 1 CR30: 00000001bde7c000 CR31: ffffffffffffffff ORIG_R28: 00000002369fe628 IAOQ[0]: compat_get_timex+0x2dc/0x3c0 IAOQ[1]: compat_get_timex+0x2e0/0x3c0 RP(r2): compat_get_timex+0x40/0x3c0 Backtrace: [<00000000402d4608>] compat_SyS_clock_adjtime+0x40/0xc0 [<0000000040205024>] syscall_exit+0x0/0x14 This means the userspace program clock_adjtime called the clock_adjtime() syscall and then crashed inside the compat_get_timex() function. Syscalls should never crash programs, but instead return EFAULT. The IIR register contains the executed instruction, which disassebles into "ldw 0(sr3,r5),r9". This load-word instruction is part of __get_user() which tried to read the word at %r5/IOR (0xfa6f7fff). This means the unaligned handler jumped in. The unaligned handler is able to emulate all ldw instructions, but it fails if it fails to read the source e.g. because of page fault. The following program reproduces the problem: #define _GNU_SOURCE #include <unistd.h> #include <sys/syscall.h> #include <sys/mman.h> int main(void) { /* allocate 8k */ char *ptr = mmap(NULL, 2*4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); /* free second half (upper 4k) and make it invalid. */ munmap(ptr+4096, 4096); /* syscall where first int is unaligned and clobbers into invalid memory region */ /* syscall should return EFAULT */ return syscall(__NR_clock_adjtime, 0, ptr+4095); } To fix this issue we simply need to check if the faulting instruction address is in the exception fixup table when the unaligned handler failed. If it is, call the fixup routine instead of crashing. While looking at the unaligned handler I found another issue as well: The target register should not be modified if the handler was unsuccessful. Signed-off-by: NHelge Deller <deller@gmx.de> Cc: stable@vger.kernel.org
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由 Helge Deller 提交于
Avoid showing invalid printk time stamps during boot. Signed-off-by: NHelge Deller <deller@gmx.de> Reviewed-by: NAaro Koskinen <aaro.koskinen@iki.fi>
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由 Mikulas Patocka 提交于
This patch fixes backtrace on PA-RISC There were several problems: 1) The code that decodes instructions handles instructions that subtract from the stack pointer incorrectly. If the instruction subtracts the number X from the stack pointer the code increases the frame size by (0x100000000-X). This results in invalid accesses to memory and recursive page faults. 2) Because gcc reorders blocks, handling instructions that subtract from the frame pointer is incorrect. For example, this function int f(int a) { if (__builtin_expect(a, 1)) return a; g(); return a; } is compiled in such a way, that the code that decreases the stack pointer for the first "return a" is placed before the code for "g" call. If we recognize this decrement, we mistakenly believe that the frame size for the "g" call is zero. To fix problems 1) and 2), the patch doesn't recognize instructions that decrease the stack pointer at all. To further safeguard the unwind code against nonsense values, we don't allow frame size larger than Total_frame_size. 3) The backtrace is not locked. If stack dump races with module unload, invalid table can be accessed. This patch adds a spinlock when processing module tables. Note, that for correct backtrace, you need recent binutils. Binutils 2.18 from Debian 5 produce garbage unwind tables. Binutils 2.21 work better (it sometimes forgets function frames, but at least it doesn't generate garbage). Signed-off-by: NMikulas Patocka <mpatocka@redhat.com> Signed-off-by: NHelge Deller <deller@gmx.de>
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git://people.freedesktop.org/~airlied/linux由 Linus Torvalds 提交于
Pull drm fixes from Dave Airlie: "A bunch of ARM drivers got into the fixes vibe this time around, so this contains a bunch of fixes for imx, atmel hlcdc, arm hdlcd (only so many combos of hlcd), mediatek and omap drm. Other than that there is one mgag200 fix and a few core drm regression fixes" * tag 'drm-fixes-for-v4.7-rc2' of git://people.freedesktop.org/~airlied/linux: (34 commits) drm/omap: fix unused variable warning. drm: hdlcd: Add information about the underlying framebuffers in debugfs drm: hdlcd: Cleanup the atomic plane operations drm/hdlcd: Fix up crtc_state->event handling drm: hdlcd: Revamp runtime power management drm/mediatek: mtk_dsi: Remove spurious drm_connector_unregister drm/mediatek: mtk_dpi: remove invalid error message drm: atmel-hlcdc: fix a NULL check drm: atmel-hlcdc: fix atmel_hlcdc_crtc_reset() implementation drm/mgag200: Black screen fix for G200e rev 4 drm: Wrap direct calls to driver->gem_free_object from CMA drm: fix fb refcount issue with atomic modesetting drm: make drm_atomic_set_mode_prop_for_crtc() more reliable drm/sti: remove extra mode fixup drm: add missing drm_mode_set_crtcinfo call drm/omap: include gpio/consumer.h where needed drm/omap: include linux/seq_file.h where needed Revert "drm/omap: no need to select OMAP2_DSS" drm/omap: Remove regulator API abuse OMAPDSS: HDMI5: Change DDC timings ...
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git://github.com/awilliam/linux-vfio由 Linus Torvalds 提交于
Pull VFIO fixes from Alex Williamson: "Fix irqfd shutdown ordering, build warning, and VPD short read" * tag 'vfio-v4.7-rc2' of git://github.com/awilliam/linux-vfio: vfio/pci: Allow VPD short read vfio/type1: Fix build warning vfio/pci: Fix ordering of eventfd vs virqfd shutdown
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git://git.linaro.org/people/ulf.hansson/mmc由 Linus Torvalds 提交于
Pull MMC fixes from Ulf Hansson: "MMC core: - Fix/restore behaviour when selecting bus width for (e)MMC MMC host: - sunxi: Fix eMMC HS-DDR modes on Allwinner A80" * tag 'mmc-v4.7-rc1-2' of git://git.linaro.org/people/ulf.hansson/mmc: mmc: sunxi: Re-enable eMMC HS-DDR modes on Allwinner A80 mmc: sunxi: Fix DDR MMC timings for A80 mmc: fix mmc mode selection for HS-DDR and higher
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs由 Linus Torvalds 提交于
Pull btrfs fixes from Chris Mason: "The important part of this pull is Filipe's set of fixes for btrfs device replacement. Filipe fixed a few issues seen on the list and a number he found on his own" * 'for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: deal with duplciates during extent_map insertion in btrfs_get_extent Btrfs: fix race between device replace and read repair Btrfs: fix race between device replace and discard Btrfs: fix race between device replace and chunk allocation Btrfs: fix race setting block group back to RW mode during device replace Btrfs: fix unprotected assignment of the left cursor for device replace Btrfs: fix race setting block group readonly during device replace Btrfs: fix race between device replace and block group removal Btrfs: fix race between readahead and device replace/removal
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client由 Linus Torvalds 提交于
Pull Ceph fixes from Sage Weil: "We have a few follow-up fixes for the libceph refactor from Ilya, and then some cephfs + fscache fixes from Zheng. The first two FS-Cache patches are acked by David Howells and deemed trivial enough to go through our tree. The rest fix some issues with the ceph fscache handling (disable cache for inodes opened for write, and simplify the revalidation logic accordingly, dropping the now-unnecessary work queue)" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: use i_version to check validity of fscache ceph: improve fscache revalidation ceph: disable fscache when inode is opened for write ceph: avoid unnecessary fscache invalidation/revlidation ceph: call __fscache_uncache_page() if readpages fails FS-Cache: make check_consistency callback return int FS-Cache: wake write waiter after invalidating writes libceph: use %s instead of %pE in dout()s libceph: put request only if it's done in handle_reply() libceph: change ceph_osdmap_flag() to take osdc
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