- 28 5月, 2013 10 次提交
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由 Lukas Czerner 提交于
Currently punch hole is disabled in file systems with bigalloc feature enabled. However the recent changes in punch hole patch should make it easier to support punching holes on bigalloc enabled file systems. This commit changes partial_cluster handling in ext4_remove_blocks(), ext4_ext_rm_leaf() and ext4_ext_remove_space(). Currently partial_cluster is unsigned long long type and it makes sure that we will free the partial cluster if all extents has been released from that cluster. However it has been specifically designed only for truncate. With punch hole we can be freeing just some extents in the cluster leaving the rest untouched. So we have to make sure that we will notice cluster which still has some extents. To do this I've changed partial_cluster to be signed long long type. The only scenario where this could be a problem is when cluster_size == block size, however in that case there would not be any partial clusters so we're safe. For bigger clusters the signed type is enough. Now we use the negative value in partial_cluster to mark such cluster used, hence we know that we must not free it even if all other extents has been freed from such cluster. This scenario can be described in simple diagram: |FFF...FF..FF.UUU| ^----------^ punch hole . - free space | - cluster boundary F - freed extent U - used extent Also update respective tracepoints to use signed long long type for partial_cluster. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Reviewed-by: NJan Kara <jack@suse.cz> Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
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由 Lukas Czerner 提交于
Add "end" variable. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Reviewed-by: NJan Kara <jack@suse.cz> Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
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由 Lukas Czerner 提交于
The "head removal" branch in the condition is never used in any code path in ext4 since the function only caller ext4_ext_rm_leaf() will make sure that the extent is properly split before removing blocks. Note that there is a bug in this branch anyway. This commit removes the unused code completely and makes use of ext4_error() instead of printk if dubious range is provided. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Reviewed-by: NJan Kara <jack@suse.cz> Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
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由 Lukas Czerner 提交于
The discard_partial_page_buffers is no longer used anywhere so we can simply remove it including the *_no_lock variant and EXT4_DISCARD_PARTIAL_PG_ZERO_UNMAPPED define. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Reviewed-by: NJan Kara <jack@suse.cz> Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
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由 Lukas Czerner 提交于
We're doing to get rid of ext4_discard_partial_page_buffers() since it is duplicating some code and also partially duplicating work of truncate_pagecache_range(), moreover the old implementation was much clearer. Now when the truncate_inode_pages_range() can handle truncating non page aligned regions we can use this to invalidate and zero out block aligned region of the punched out range and then use ext4_block_truncate_page() to zero the unaligned blocks on the start and end of the range. This will greatly simplify the punch hole code. Moreover after this commit we can get rid of the ext4_discard_partial_page_buffers() completely. We also introduce function ext4_prepare_punch_hole() to do come common operations before we attempt to do the actual punch hole on indirect or extent file which saves us some code duplication. This has been tested on ppc64 with 1k block size with fsx and xfstests without any problems. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
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由 Lukas Czerner 提交于
Currently we do not tell mm to zero out tail of the page before truncate in orphan_cleanup(). This is ok, because the page should not be uptodate, however this may eventually change and I might cause problems. Call truncate_inode_pages() as precautionary measure. Thanks Jan Kara for pointing this out. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
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由 Lukas Czerner 提交于
This reverts commit 189e868f. This commit reintroduces the use of ext4_block_truncate_page() in ext4 truncate operation instead of ext4_discard_partial_page_buffers(). The statement in the commit description that the truncate operation only zero block unaligned portion of the last page is not exactly right, since truncate_pagecache_range() also zeroes and invalidate the unaligned portion of the page. Then there is no need to zero and unmap it once more and ext4_block_truncate_page() was doing the right job, although we still need to update the buffer head containing the last block, which is exactly what ext4_block_truncate_page() is doing. Moreover the problem described in the commit is fixed more properly with commit 15291164 jbd2: clear BH_Delay & BH_Unwritten in journal_unmap_buffer This was tested on ppc64 machine with block size of 1024 bytes without any problems. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Reviewed-by: NJan Kara <jack@suse.cz> Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
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由 Lukas Czerner 提交于
In data=ordered mode we should call ext4_jbd2_file_inode() so that crash after the truncate transaction has committed does not expose stall data in the tail of the block. Thanks Jan Kara for pointing that out. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
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由 Lukas Czerner 提交于
This reverts commit ccb4d7af. This commit reintroduces functions ext4_block_truncate_page() and ext4_block_zero_page_range() which has been previously removed in favour of ext4_discard_partial_page_buffers(). In future commits we want to reintroduce those function and remove ext4_discard_partial_page_buffers() since it is duplicating some code and also partially duplicating work of truncate_pagecache_range(), moreover the old implementation was much clearer. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
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由 Lukas Czerner 提交于
This commit changes truncate_inode_pages_range() so it can handle non page aligned regions of the truncate. Currently we can hit BUG_ON when the end of the range is not page aligned, but we can handle unaligned start of the range. Being able to handle non page aligned regions of the page can help file system punch_hole implementations and save some work, because once we're holding the page we might as well deal with it right away. In previous commits we've changed ->invalidatepage() prototype to accept 'length' argument to be able to specify range to invalidate. No we can use that new ability in truncate_inode_pages_range(). Signed-off-by: NLukas Czerner <lczerner@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Hugh Dickins <hughd@google.com> Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
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- 22 5月, 2013 9 次提交
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由 Lukas Czerner 提交于
->invalidatepage() aop now accepts range to invalidate so we can make use of it in reiserfs_invalidatepage() Signed-off-by: NLukas Czerner <lczerner@redhat.com> Cc: reiserfs-devel@vger.kernel.org
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由 Lukas Czerner 提交于
->invalidatepage() aop now accepts range to invalidate so we can make use of it in gfs2_invalidatepage(). Signed-off-by: NLukas Czerner <lczerner@redhat.com> Acked-by: NSteven Whitehouse <swhiteho@redhat.com> Cc: cluster-devel@redhat.com
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由 Lukas Czerner 提交于
->invalidatepage() aop now accepts range to invalidate so we can make use of it in ceph_invalidatepage(). Signed-off-by: NLukas Czerner <lczerner@redhat.com> Acked-by: NSage Weil <sage@inktank.com> Cc: ceph-devel@vger.kernel.org
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由 Lukas Czerner 提交于
->invalidatepage() aop now accepts range to invalidate so we can make use of it in ocfs2_invalidatepage(). Signed-off-by: NLukas Czerner <lczerner@redhat.com> Reviewed-by: NJan Kara <jack@suse.cz> Acked-by: NJoel Becker <jlbec@evilplan.org>
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由 Lukas Czerner 提交于
->invalidatepage() aop now accepts range to invalidate so we can make use of it in xfs_vm_invalidatepage() Signed-off-by: NLukas Czerner <lczerner@redhat.com> Acked-by: NDave Chinner <dchinner@redhat.com> Reviewed-by: NBen Myers <bpm@sgi.com> Cc: xfs@oss.sgi.com
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由 Lukas Czerner 提交于
->invalidatepage() aop now accepts range to invalidate so we can make use of it in journal_invalidatepage() and all the users in ext3 file system. Also update ext3 trace point to print out length argument. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Reviewed-by: NJan Kara <jack@suse.cz>
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由 Lukas Czerner 提交于
->invalidatepage() aop now accepts range to invalidate so we can make use of it in all ext4 invalidatepage routines. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Reviewed-by: NJan Kara <jack@suse.cz>
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由 Lukas Czerner 提交于
invalidatepage now accepts range to invalidate and there are two file system using jbd2 also implementing punch hole feature which can benefit from this. We need to implement the same thing for jbd2 layer in order to allow those file system take benefit of this functionality. This commit adds length argument to the jbd2_journal_invalidatepage() and updates all instances in ext4 and ocfs2. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Reviewed-by: NJan Kara <jack@suse.cz>
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由 Lukas Czerner 提交于
Currently there is no way to truncate partial page where the end truncate point is not at the end of the page. This is because it was not needed and the functionality was enough for file system truncate operation to work properly. However more file systems now support punch hole feature and it can benefit from mm supporting truncating page just up to the certain point. Specifically, with this functionality truncate_inode_pages_range() can be changed so it supports truncating partial page at the end of the range (currently it will BUG_ON() if 'end' is not at the end of the page). This commit changes the invalidatepage() address space operation prototype to accept range to be invalidated and update all the instances for it. We also change the block_invalidatepage() in the same way and actually make a use of the new length argument implementing range invalidation. Actual file system implementations will follow except the file systems where the changes are really simple and should not change the behaviour in any way .Implementation for truncate_page_range() which will be able to accept page unaligned ranges will follow as well. Signed-off-by: NLukas Czerner <lczerner@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Hugh Dickins <hughd@google.com>
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- 21 5月, 2013 7 次提交
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由 Linus Torvalds 提交于
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由 Linus Torvalds 提交于
Merge tag 'stable/for-linus-3.10-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen Pull Xen fixes from Konrad Rzeszutek Wilk: - Regression fix in xen privcmd fixing a memory leak. - Add Documentation for tmem driver. - Simplify and remove code in the tmem driver. - Cleanups. * tag 'stable/for-linus-3.10-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen: Fixed assignment error in if statement xen/xenbus: Fixed over 80 character limit issue xen/xenbus: Fixed indentation error in switch case xen/tmem: Don't use self[ballooning|shrinking] if frontswap is off. xen/tmem: Remove the usage of '[no|]selfballoon' and use 'tmem.selfballooning' bool instead. xen/tmem: Remove the usage of 'noselfshrink' and use 'tmem.selfshrink' bool instead. xen/tmem: Remove the boot options and fold them in the tmem.X parameters. xen/tmem: s/disable_// and change the logic. xen/tmem: Fix compile warning. xen/tmem: Split out the different module/boot options. xen/tmem: Move all of the boot and module parameters to the top of the file. xen/tmem: Cleanup. Remove the parts that say temporary. xen/privcmd: fix condition in privcmd_close()
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging由 Linus Torvalds 提交于
Pull hwmon fixes from Guenter Roeck: - Error path fixes for abituguru and iio_hwmon drivers. - Drop erroneously created attributes from nct6775 driver. - Drop redundant safety on cache lifetime for tmp401 driver. - Add explicit maintainer for LM95234 and TMP401 drivers. * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: MAINTAINERS: Add myself as maintainer for LM95234 and TMP401 drivers hwmon: (tmp401) Drop redundant safety on cache lifetime hwmon: fix error return code in abituguru_probe() hwmon: (iio_hwmon) Fix null pointer dereference hwmon: (nct6775) Do not create non-existing attributes hwmon: (iio_hwmon) Fix missing iio_channel_release_all call if devm_kzalloc fail
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由 Linus Torvalds 提交于
In commit 78d77df7 ("x86-64, init: Do not set NX bits on non-NX capable hardware") we added the early_pmd_flags that gets the NX bit set when a CPU supports NX. However, the new variable was marked __initdata, because the main _use_ of this is in an __init routine. However, the bit setting happens from secondary_startup_64(), which is called not only at bootup, but on every secondary CPU start. Including resuming from STR and at CPU hotplug time. So the value cannot be __initdata. Reported-bisected-and-tested-by: NMichal Hocko <mhocko@suse.cz> Cc: stable@vger.kernel.org # v3.9 Acked-by: NPeter Anvin <hpa@linux.intel.com> Cc: Fernando Luis Vázquez Cao <fernando@oss.ntt.co.jp> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Lisa Nguyen 提交于
Fixed assignment error in if statement in balloon.c Signed-off-by: NLisa Nguyen <lisa@xenapiadmin.com> Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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由 Lisa Nguyen 提交于
Fixed the format length of the xenbus_backend_ioctl() function to meet the 80 character limit in xenbus_dev_backend.c Signed-off-by: NLisa Nguyen <lisa@xenapiadmin.com> Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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由 Lisa Nguyen 提交于
Fixed the indentation error in the switch case in xenbus_dev_backend.c Signed-off-by: NLisa Nguyen <lisa@xenapiadmin.com> Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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- 20 5月, 2013 5 次提交
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由 Linus Torvalds 提交于
Merge tag 'pinctrl-fixes-v3.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pinctrl fixes from Linus Walleij: - Three fixes to make the boot path for device tree work properly on the Nomadik pin controller. - Compile warning fix for the vt8500 driver. - Fix error path in pinctrl-single. - Free mappings in error path of the Lantiq controller. - Documentation fixes. * tag 'pinctrl-fixes-v3.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl/lantiq: Free mapping configs for both pin and groups pinctrl: single: fix error return code in pcs_parse_one_pinctrl_entry() pinctrl: generic: Fix typos and clarify comments pinctrl: vt8500: Fix incorrect data in WM8750 pinctrl table pinctrl: abx500: Rejiggle platform data and DT initialisation pinctrl: abx500: Specify failed sub-driver by ID instead of driver_data
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild由 Linus Torvalds 提交于
Pull kbuild fix from Michal Marek: "In an attempt to improve make rpm-pkg, I broke make binrpm-pkg" * 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: package: Makefile: unbreak binrpm-pkg target
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由 Guenter Roeck 提交于
I wrote the LM95234 driver and extended the TMP401 driver substantially, and I have hardware to test both, so it makes sense to explicitly maintain them. Signed-off-by: NGuenter Roeck <linux@roeck-us.net> Acked-by: NJean Delvare <khali@linux-fr.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm由 Linus Torvalds 提交于
Pull device mapper fix from Alasdair Kergon: "A patch to fix metadata resizing with device-mapper thin devices." * tag 'dm-3.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm: dm thin: fix metadata dev resize detection
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由 Alasdair G Kergon 提交于
Fix detection of the need to resize the dm thin metadata device. The code incorrectly tried to extend the metadata device when it didn't need to due to a merging error with patch 24347e95 ("dm thin: detect metadata device resizing"). device-mapper: transaction manager: couldn't open metadata space map device-mapper: thin metadata: tm_open_with_sm failed device-mapper: thin: aborting transaction failed device-mapper: thin: switching pool to failure mode Signed-off-by: NAlasdair G Kergon <agk@redhat.com>
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- 19 5月, 2013 7 次提交
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由 Jean Delvare 提交于
time_after (as opposed to time_after_equal) already ensures that the cache lifetime is at least as much as requested. There is no point in manually adding another jiffy to that value, and this can confuse the reader into wrong interpretation. Signed-off-by: NJean Delvare <khali@linux-fr.org> Cc: Imre Deak <imre.deak@intel.com> Cc: Guenter Roeck <linux@roeck-us.net> Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
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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: "Miao Xie has been very busy, fixing races and enospc problems and many other small but important pieces. Alexandre Oliva discovered some problems with how our error handling was interacting with the block layer and for now has disabled our partial handling of sub-page writes. The real sub-page work is in a series of patches from IBM that we still need to integrate and test. The code Alexandre has turned off was really incomplete. Josef has more error handling fixes and an important fix for the new skinny extent format. This also has my fix for the tracepoint crash from late in 3.9. It's the first stage in a larger clean up to get rid of btrfs_bio and make a proper bioset for all the items we need to tack into the bio. For now the bioset only holds our mirror_num and stripe_index, but for the next merge window I'll shuffle more in." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (25 commits) Btrfs: use a btrfs bioset instead of abusing bio internals Btrfs: make sure roots are assigned before freeing their nodes Btrfs: explicitly use global_block_rsv for quota_tree btrfs: do away with non-whole_page extent I/O Btrfs: don't invoke btrfs_invalidate_inodes() in the spin lock context Btrfs: remove BUG_ON() in btrfs_read_fs_tree_no_radix() Btrfs: pause the space balance when remounting to R/O Btrfs: fix unprotected root node of the subvolume's inode rb-tree Btrfs: fix accessing a freed tree root Btrfs: return errno if possible when we fail to allocate memory Btrfs: update the global reserve if it is empty Btrfs: don't steal the reserved space from the global reserve if their space type is different Btrfs: optimize the error handle of use_block_rsv() Btrfs: don't use global block reservation for inode cache truncation Btrfs: don't abort the current transaction if there is no enough space for inode cache Correct allowed raid levels on balance. Btrfs: fix possible memory leak in replace_path() Btrfs: fix possible memory leak in the find_parent_nodes() Btrfs: don't allow device replace on RAID5/RAID6 Btrfs: handle running extent ops with skinny metadata ...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux由 Linus Torvalds 提交于
Pull devm usage cleanup from Wolfram Sang: "Lately, I have been experimenting how to improve the devm interface to make writing device drivers easier and less error prone while also getting rid of its subtle issues. I think it has more potential but still needs work and definately conistency, especiall in its usage. The first thing I come up with is a low hanging fruit regarding devm_ioremap_resouce(). This function already checks if the passed resource is valid and gives an error message if not. So, we can remove similar checks from the drivers and get rid of a bit of code and a number of inconsistent error strings. This series only removes the unneeded check iff devm_ioremap_resource follows platform_get_resource directly. The previous version tried to shuffle code if needed, too, what lead to an embarrasing bug. It turned out to me that shuffling code for all cases found will make the automated script too complex, so I am unsure if an automated cleanup is the proper tool for this case. Removing the easy stuff seems worthwhile to me, though. Despite various architectures and platform dependencies, I managed to compile test 45 out of 57 modified files locally using heuristics and defconfigs." Pulled because: 296 deletions, 0 additions. * 'devm_no_resource_check' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (33 commits) sound/soc/kirkwood: don't check resource with devm_ioremap_resource sound/soc/fsl: don't check resource with devm_ioremap_resource arch/mips/lantiq/xway: don't check resource with devm_ioremap_resource arch/arm/plat-samsung: don't check resource with devm_ioremap_resource arch/arm/mach-tegra: don't check resource with devm_ioremap_resource drivers/watchdog: don't check resource with devm_ioremap_resource drivers/w1/masters: don't check resource with devm_ioremap_resource drivers/video/omap2/dss: don't check resource with devm_ioremap_resource drivers/video/omap2: don't check resource with devm_ioremap_resource drivers/usb/phy: don't check resource with devm_ioremap_resource drivers/usb/host: don't check resource with devm_ioremap_resource drivers/usb/gadget: don't check resource with devm_ioremap_resource drivers/usb/chipidea: don't check resource with devm_ioremap_resource drivers/thermal: don't check resource with devm_ioremap_resource drivers/staging/nvec: don't check resource with devm_ioremap_resource drivers/staging/dwc2: don't check resource with devm_ioremap_resource drivers/spi: don't check resource with devm_ioremap_resource drivers/rtc: don't check resource with devm_ioremap_resource drivers/pwm: don't check resource with devm_ioremap_resource drivers/pinctrl: don't check resource with devm_ioremap_resource ...
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git://git.secretlab.ca/git/linux由 Linus Torvalds 提交于
Pull device tree fixes from Grant Likely: "Device tree bug fixes and documentation updates for v3.10 Nothing earth shattering here. A build failure fix, and fix for releasing nodes and some documenation updates." * tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux: Documentation/devicetree: make semantic of initrd-end more explicit of/base: release the node correctly in of_parse_phandle_with_args() of/documentation: move video device bindings to a common place <linux/of_platform.h>: fix compilation warnings with DT disabled
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git://git.linux-mips.org/pub/scm/ralf/upstream-linus由 Linus Torvalds 提交于
Pull MIPS fixes from Ralf Baechle: "Patching up across the field. The reversion of the two ASID patches is particularly important as it was breaking many platforms." * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: ralink: use the dwc2 driver for the rt305x USB controller MIPS: Extract schedule_mfi info from __schedule MIPS: Fix sibling call handling in get_frame_info MIPS: MSP71xx: remove inline marking of EXPORT_SYMBOL functions MIPS: Make virt_to_phys() work for all unmapped addresses. MIPS: Fix build error for crash_dump.c in 3.10-rc1 MIPS: Xway: Fix clk leak Revert "MIPS: Allow ASID size to be determined at boot time." Revert "MIPS: microMIPS: Support dynamic ASID sizing."
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git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64由 Linus Torvalds 提交于
Pull kmemleak patches from Catalin Marinas: "Kmemleak now scans all the writable and non-executable module sections to avoid false positives (previously it was only scanning specific sections and missing .ref.data)." * tag 'kmemleak-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64: kmemleak: No need for scanning specific module sections kmemleak: Scan all allocated, writeable and not executable module sections
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git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64由 Linus Torvalds 提交于
Pull arm64 fixes from Catalin Marinas: "Fixes for duplicate definition of early_console, kernel/time/Kconfig include, __flush_dcache_all() set/way computing, debug (locking, bit testing). The of_platform_populate() was moved to an arch_init_call() to allow subsys_init_call() drivers to probe the DT." * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64: arm64: debug: fix mdscr.ss check when enabling debug exceptions arm64: Do not source kernel/time/Kconfig explicitly arm64: mm: Fix operands of clz in __flush_dcache_all arm64: Invoke the of_platform_populate() at arch_initcall() level arm64: debug: clear mdscr_el1 instead of taking the OS lock arm64: Fix duplicate definition of early_console
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- 18 5月, 2013 2 次提交
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由 Wolfram Sang 提交于
devm_ioremap_resource does sanity checks on the given resource. No need to duplicate this in the driver. Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Wolfram Sang 提交于
devm_ioremap_resource does sanity checks on the given resource. No need to duplicate this in the driver. Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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