- 11 Aug, 2010 40 commits
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KAMEZAWA Hiroyuki authored
mem_cgroup_try_charge() has a big loop in it and seems to be hard to read. Most of routines are for slow path. This patch moves codes out from the loop and make it clear what's done. Summary: - refactoring a function to detect a memcg is under acccount move or not. - refactoring a function to wait for the end of moving task acct. - refactoring a main loop('s slow path) as a function and make it clear why we retry or quit by return code. - add fatal_signal_pending() check for bypassing charge loops. Signed-off-by:KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Cc: Balbir Singh <balbir@in.ibm.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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KAMEZAWA Hiroyuki authored
It's 11 months since we changed swap_map[] to indicates SWAP_HAS_CACHE. Since that, memcg's swap accounting has been very stable and it seems it can be maintained. So, I'd like to remove EXPERIMENTAL from the config. Acked-by:
Balbir Singh <balbir@linux.vnet.ibm.com> Acked-by:
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Signed-off-by:
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Chris Wright authored
The cgroup device whitelist code gets confused when trying to grant permission to a disk partition that is not currently open. Part of blkdev_open() includes __blkdev_get() on the whole disk. Basically, the only ways to reliably allow a cgroup access to a partition on a block device when using the whitelist are to 1) also give it access to the whole block device or 2) make sure the partition is already open in a different context. The patch avoids the cgroup check for the whole disk case when opening a partition. Addresses https://bugzilla.redhat.com/show_bug.cgi?id=589662Signed-off-by:
Chris Wright <chrisw@sous-sol.org> Acked-by:
Serge E. Hallyn <serue@us.ibm.com> Tested-by:
Vivek Goyal <vgoyal@redhat.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: Christoph Hellwig <hch@infradead.org> Cc: "Daniel P. Berrange" <berrange@redhat.com> Cc: <stable@kernel.org> Signed-off-by:
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Dan Carpenter authored
The original code didn't leave enough space for a NULL terminator. These strings are copied with strcpy() into fixed length buffers in cgroup_root_from_opts(). Signed-off-by:
Dan Carpenter <error27@gmail.com> Acked-by:
Serge E. Hallyn <serge@hallyn.com> Reviewd-by:
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Randy Dunlap authored
Fix typos & grammar. Use CPU instead of cpu in text. Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Acked-by:
Steffen Klassert <steffen.klassert@secunet.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Huang Shijie authored
The exception.txt has been removed from the Documentation directory. So update the index file for it. Signed-off-by:
Huang Shijie <shijie8@gmail.com> Signed-off-by:
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Ben Hutchings authored
$ rm -rf build $ mkdir build $ cp .config build $ make O=build htmldocs ... xmlto: linux-2.6/build/Documentation/DocBook/media.xml does not validate (status 3) xmlto: Fix document syntax or use --skip-validation option linux-2.6/build/Documentation/DocBook/media.xml:4: warning: failed to load external entity "linux-2.6/build/Documentation/DocBook/media-entities.tmpl" We need the xmldoclinks built for any document types built from the XML sources. Signed-off-by:
Ben Hutchings <ben@decadent.org.uk> Acked-by:
Andy Whitcroft <apw@canonical.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Joe Perches authored
Commit 1d794e3b ("Staging: wavelan: delete the driver") removed the source, so remove the documentation as well. Signed-off-by:
Joe Perches <joe@perches.com> Cc: Jean Tourrilhes <jt@hpl.hp.com> Acked-by:
Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
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Randy Dunlap authored
Fix mtd/nand_base.c kernel-doc warnings and typos. Warning(drivers/mtd/nand/nand_base.c:893): No description found for parameter 'mtd' Warning(drivers/mtd/nand/nand_base.c:893): No description found for parameter 'ofs' Warning(drivers/mtd/nand/nand_base.c:893): No description found for parameter 'len' Warning(drivers/mtd/nand/nand_base.c:893): No description found for parameter 'invert' Warning(drivers/mtd/nand/nand_base.c:930): No description found for parameter 'mtd' Warning(drivers/mtd/nand/nand_base.c:930): No description found for parameter 'ofs' Warning(drivers/mtd/nand/nand_base.c:930): No description found for parameter 'len' Warning(drivers/mtd/nand/nand_base.c:987): No description found for parameter 'mtd' Warning(drivers/mtd/nand/nand_base.c:987): No description found for parameter 'ofs' Warning(drivers/mtd/nand/nand_base.c:987): No description found for parameter 'len' Warning(drivers/mtd/nand/nand_base.c:2087): No description found for parameter 'len' Signed-off-by:
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Randy Dunlap authored
Fix (delete) empty kernel-doc lines/warnings: Warning(drivers/message/fusion/mptbase.c:6916): bad line: Warning(drivers/message/fusion/mptbase.c:7060): bad line: Signed-off-by:
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Changli Gao authored
Signed-off-by:
Changli Gao <xiaosuo@gmail.com> Signed-off-by:
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Andrew Morton authored
Cc: Kulikov Vasiliy <segooon@gmail.com> Signed-off-by:
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Kulikov Vasiliy authored
If iga_init() fails, code releases resources and continues to use it. It seems that after releasing resources 'return' should be. Signed-off-by:
Kulikov Vasiliy <segooon@gmail.com> Signed-off-by:
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Daniel De Graaf authored
When we setup up the VMA flags for the mmap flag and we end up using the fallback mmap functionality we set the vma->vm_flags |= VM_IO. However we neglect to propagate the flag to the vma->vm_page_prot. This bug was found when Linux kernel was running under Xen. In that scenario, any page that has VM_IO flag to it, means that it MUST be a MMIO/VRAM backend memory , _not_ System RAM. That is what the fbmem.c does: sets VM_IO, ioremaps the region - everything is peachy. Well, not exactly. The vm_page_prot does not get the relevant PTE flags set (_PAGE_IOMAP) which under Xen is a death-kneel to pages that are referencing real physical devices but don't have that flag set. This patch fixes this. Signed-off-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by:
Daniel De Graaf <dgdegra@tycho.nsa.gov> Tested-by:
Eamon Walsh <ewalsh@tycho.nsa.gov> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Dave Airlie <airlied@linux.ie> Signed-off-by:
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Maurus Cuelenaere authored
Since "s3c-fb: Automatically calculate pixel clock when none is given", there's no need for manually calculating the pixel clock anymore so remove these lines and add the correct refresh rate where appropriately. Signed-off-by:
Maurus Cuelenaere <mcuelenaere@gmail.com> Cc: Pawel Osciak <p.osciak@samsung.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: InKi Dae <inki.dae@samsung.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by:
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Maurus Cuelenaere authored
Add a simple algorithm which calculates the pixel clock based on the video mode parameters. This is only done when no pixel clock is supplied through the platform data. This allows drivers to omit the pixel clock data and thus share the algorithm used for calculating it. Signed-off-by:
Donghwa Lee <yiffie9819@gmail.com> Signed-off-by:
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Pawel Osciak authored
S5PV210 SoCs allow enabling/disabling DMA channels per window. For a window to display data from framebuffer memory, its channel has to be enabled. Signed-off-by:
Pawel Osciak <p.osciak@samsung.com> Signed-off-by:
Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by:
Kyungmin Park <kyungmin.park@samsung.com> Cc: InKi Dae <inki.dae@samsung.com> Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by:
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Marek Szyprowski authored
This patch fixes the following section mismatch errors: WARNING: vmlinux.o(.data+0x20b40): Section mismatch in reference from the variable s3c_fb_driver_ids to the (unknown reference) .devinit.data:(unknown) The variable s3c_fb_driver_ids references the (unknown reference) __devinitdata (unknown) If the reference is valid then annotate the variable with __init* or __refdata (see linux/init.h) or name the variable: *driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console, WARNING: vmlinux.o(.data+0x20b58): Section mismatch in reference from the variable s3c_fb_driver_ids to the (unknown reference) .devinit.data:(unknown) The variable s3c_fb_driver_ids references the (unknown reference) __devinitdata (unknown) If the reference is valid then annotate the variable with __init* or __refdata (see linux/init.h) or name the variable: *driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console, WARNING: vmlinux.o(.data+0x20b70): Section mismatch in reference from the variable s3c_fb_driver_ids to the (unknown reference) .devinit.data:(unknown) The variable s3c_fb_driver_ids references the (unknown reference) __devinitdata (unknown) If the reference is valid then annotate the variable with __init* or __refdata (see linux/init.h) or name the variable: *driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console, Signed-off-by:
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Pawel Osciak authored
Newer hardware (S3C6410, S5P) have the ability to block updates from shadow registers during reconfiguration. Add protect calls for set_par and clear protection when resetting. Signed-off-by:
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Pawel Osciak authored
S3C64xx and S5P OSD registers for OSD size and alpha are as follows: VIDOSDC: win 0 - size, win 1-4: alpha VIDOSDD: win 1-2 - size; not present for windows 0, 3 and 4 Signed-off-by:
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Pawel Osciak authored
S5PV210 allows per-window locking of register value updates from shadow registers. Signed-off-by:
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Pawel Osciak authored
Signed-off-by:
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Pawel Osciak authored
Add VSYNC interrupt support and an ioctl that allows waiting for it. Interrupts are turned on only when needed. Signed-off-by:
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Pawel Osciak authored
Supports all bpp modes. The PRTCON register is used to disable in-hardware updates of registers that store start and end addresses of framebuffer memory. This prevents display corruption in case we do not make it before VSYNC with updating them atomically. With this feature there is no need to wait for a VSYNC interrupt before each such update. Signed-off-by:
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Pawel Osciak authored
Add framebuffer device name initialization calls for S3C2443, S3C64xx and S5P machines. Signed-off-by:
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Pawel Osciak authored
S5PC100 and S5PV210 framebuffer devices differ slightly in terms of available registers and their driver data structures have to be separate. Those differences include dissimilar ways to control shadow register updates. Signed-off-by:
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Pawel Osciak authored
FRAMESEL1 bitfield starts on 13th bit, not on 14th. Signed-off-by:
Ben Dooks <ben-linux@fluff.org> Cc: InKi Dae <inki.dae@samsung.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by:
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Pawel Osciak authored
The following problems were found in the above situation: sfb->windows[win] was being assigned at the end of s3c_fb_probe_win only. This resulted in passing a NULL to s3c_fb_release_win if probe_win returned early and a memory leak. dma_free_writecombine does not allow its third argument to be NULL. fb_dealloc_cmap does not verify whether its argument is not NULL. Signed-off-by:
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Ben Dooks authored
Remove the palette setup code from the header files and put it into the main driver. Signed-off-by:
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Ben Dooks authored
Update the variant and window variant structures with the necessary changes to support the older style of hardware where these are not in the same place. Add the support for the s3c2443/s3c2416 hardware by using the platform-device s3c2443 to cover both, and add the initialisation data for these. Also change to including just the v4 header files for the moment until the last of the merging of these is sorted out. Signed-off-by:
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Ben Dooks authored
Remove the various header files that configure this driver and use the platform device name to select the correct configuration at probe time. Currently this does not remove the header files, only updates the driver and the relevant platform files. Signed-off-by:
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Ben Dooks authored
The driver clears all windows, but also sets the windows' colour key controls at the same time. However, the last window does not have these registers as it is always blended into the previous window. Move the colour key initialisation into the probe, and run it for only nr_win-1 windows. Signed-off-by:
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InKi Dae authored
It has been working fine at 16bpp but in case of pixel format more then 24bpp it would occur distortedness situation on that mode. so this patch set the word swap control bit of WINCONx to 1 as default value. but it should be set to 0 in case that each ENLOCAL bit of WINCON0 ~ 2 registers is enabled. this issue would be solved with local path feature soon. Signed-off-by:
InKi Dae <inki.dae@samsung.com> Reviewed-by: KyungMin Park <kyungmin.park.samsung.com> Signed-off-by:
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InKi Dae authored
s5pv210 has five window layers (window0 ~ 4), among them, window0 ~ 2 could be used for local path with fimc(capture device) and fimd writeback feature so this patch makes default window layer for UI to be set at machine code. Signed-off-by:
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Ben Dooks authored
As suggested by Marek Szyprowski, we should make the driver depend on the configuration currently being used to build the platform device into the kernel. Signed-off-by:
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Denys Vlasenko authored
Replaced !strlen(str) check with !str[0]. Removed the variable which was used solely to store strlen result. Signed-off-by:
Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by:
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Denys Vlasenko authored
This patch uninlines four similar functions, foo_update_attr(), in four fbcon-related files. These functions contain loops, two of theam have _nested_ loops, and they have more than one callsite each. I think they should not be inlined. Signed-off-by:
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Denys Vlasenko authored
This function's body is good two screenfuls and it has six callsites. No apparent reason why it is marked inline. Signed-off-by:
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Henrik Kretzschmar authored
Remove 43 section mismatches by moving the two structures efifb_defined and efifb_fix from .init.data to .devinit.data. Also the two structure arrays dmi_system_table[] and dmi_list[] have been moved from .data to .init.rodata and .init.data, which saves, if built-in, some space. On x86_64 'size -A' showed that these sections changed size: efifb.o: section size-old size-new .data 1200 688 .init.data 7840 512 .init.rodata 0 7568 .devinit.data 0 256 Total 11927 11911 Signed-off-by:
Henrik Kretzschmar <henne@nachtwindheim.de> Cc: Peter Jones <pjones@redhat.com> Signed-off-by:
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Gregory Bean authored
Add support for Semtech SX150-series I2C GPIO expanders. Compatible models include: 8 bits: sx1508q 16 bits: sx1509q Signed-off-by:
Gregory Bean <gbean@codeaurora.org> Cc: David Brownell <david-b@pacbell.net> Cc: Jean Delvare <khali@linux-fr.org> Cc: Trilok Soni <tsoni@codeaurora.org> Signed-off-by:
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