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2010-06-03xen: ensure timer tick is resumed even on CPU driving the resumeIan Campbell1-2/+2
The core suspend/resume code is run from stop_machine on CPU0 but parts of the suspend/resume machinery (including xen_arch_resume) are run on whichever CPU happened to schedule the xenwatch kernel thread. As part of the non-core resume code xen_arch_resume is called in order to restart the timer tick on non-boot processors. The boot processor itself is taken care of by core timekeeping code. xen_arch_resume uses smp_call_function which does not call the given function on the current processor. This means that we can end up with one CPU not receiving timer ticks if the xenwatch thread happened to be scheduled on CPU > 0. Use on_each_cpu instead of smp_call_function to ensure the timer tick is resumed everywhere. Signed-off-by: Ian Campbell <[email protected]> Acked-by: Jeremy Fitzhardinge <[email protected]> Cc: Stable Kernel <[email protected]> # .32.x
2010-06-03gconfig: fix build failure on fedora 13Richard Kennedy1-1/+1
Making gconfig fails on fedora 13 as the linker cannot resolve dlsym. Adding libdl to the link command fixes this. make shows this error :- /usr/bin/ld: scripts/kconfig/kconfig_load.o: undefined reference to symbol 'dlsym@@GLIBC_2.2.5' /usr/bin/ld: note: 'dlsym@@GLIBC_2.2.5' is defined in DSO /lib64/libdl.so.2 so try adding it to the linker command line /lib64/libdl.so.2: could not read symbols: Invalid operation tested on x86_64 fedora 13. Signed-off-by: Richard Kennedy <[email protected]> Reviewed-by: WANG Cong <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Michal Marek <[email protected]>
2010-06-03crypto: crypto4xx - Fix build breakageAnatolij Gustschin1-3/+3
Fixes build error caused by the OF device_node pointer being moved into struct device Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
2010-06-03xfs: improve xfs_isilockedChristoph Hellwig1-16/+10
Use rwsem_is_locked to make the assertations for shared locks work. Signed-off-by: Christoph Hellwig <[email protected]> Reviewed-by: Dave Chinner <[email protected]>
2010-06-03xfs: skip writeback from reclaim contextChristoph Hellwig1-0/+15
Allowing writeback from reclaim context causes massive problems with stack overflows as we can call into the writeback code which tends to be a heavy stack user both in the generic code and XFS from random contexts that perform memory allocations. Follow the example of btrfs (and in slightly different form ext4) and refuse to write out data from reclaim context. This issue should really be handled by the VM so that we can tune better for this case, but until we get it sorted out there we have to hack around this in each filesystem with a complex writeback path. Signed-off-by: Christoph Hellwig <[email protected]> Reviewed-by: Dave Chinner <[email protected]>
2010-06-03xfs: remove done roadmap item from xfs-delayed-logging-design.txtChristoph Hellwig1-5/+0
Signed-off-by: Christoph Hellwig <[email protected]> Reviewed-by: Dave Chinner <[email protected]>
2010-06-03xfs: fix race in inode cluster freeing failing to stale inodesDave Chinner1-80/+62
When an inode cluster is freed, it needs to mark all inodes in memory as XFS_ISTALE before marking the buffer as stale. This is eeded because the inodes have a different life cycle to the buffer, and once the buffer is torn down during transaction completion, we must ensure none of the inodes get written back (which is what XFS_ISTALE does). Unfortunately, xfs_ifree_cluster() has some bugs that lead to inodes not being marked with XFS_ISTALE. This shows up when xfs_iflush() is called on these inodes either during inode reclaim or tail pushing on the AIL. The buffer is read back, but no longer contains inodes and so triggers assert failures and shutdowns. This was reproducable with at run.dbench10 invocation from xfstests. There are two main causes of xfs_ifree_cluster() failing. The first is simple - it checks in-memory inodes it finds in the per-ag icache to see if they are clean without holding the flush lock. if they are clean it skips them completely. However, If an inode is flushed delwri, it will appear clean, but is not guaranteed to be written back until the flush lock has been dropped. Hence we may have raced on the clean check and the inode may actually be dirty. Hence always mark inodes found in memory stale before we check properly if they are clean. The second is more complex, and makes the first problem easier to hit. Basically the in-memory inode scan is done with full knowledge it can be racing with inode flushing and AIl tail pushing, which means that inodes that it can't get the flush lock on might not be attached to the buffer after then in-memory inode scan due to IO completion occurring. This is actually documented in the code as "needs better interlocking". i.e. this is a zero-day bug. Effectively, the in-memory scan must be done while the inode buffer is locked and Io cannot be issued on it while we do the in-memory inode scan. This ensures that inodes we couldn't get the flush lock on are guaranteed to be attached to the cluster buffer, so we can then catch all in-memory inodes and mark them stale. Now that the inode cluster buffer is locked before the in-memory scan is done, there is no need for the two-phase update of the in-memory inodes, so simplify the code into two loops and remove the allocation of the temporary buffer used to hold locked inodes across the phases. Signed-off-by: Dave Chinner <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]>
2010-06-02of/powerpc: fix fsl_msi device node pointerWolfram Sang1-1/+1
Signed-off-by: Wolfram Sang <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-03drm/radeon/kms: make sure display hw is disabled when suspendingAlex Deucher1-0/+7
Disable the display hw when suspending. Should fix bug: https://bugzilla.redhat.com/show_bug.cgi?id=522393 Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-03drm/vmwgfx: Allow userspace to change default layout. Bump minor.Jakob Bornecrantz6-9/+160
The host may change the layout and, since the change is communicated to the master, the master needs a way to communicate the change to the kernel driver. The minor version number is bumped to advertize the availability of this feature. Signed-off-by: Jakob Bornecrantz <[email protected]> Signed-off-by: Thomas Hellstrom <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-03drm/vmwgfx: Fix framebuffer modesettingJakob Bornecrantz1-18/+4
Must set SVGA_NUM_REG_GUEST_DISPLAY before setting up the display information. Signed-off-by: Jakob Bornecrantz <[email protected]> Signed-off-by: Thomas Hellstrom <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-03drm/vmwgfx: Fix vga save / restore with display topology.Thomas Hellstrom2-7/+56
vga save / restore previously didn't handle the display topology case. Signed-off-by: Thomas Hellstrom <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-03vgaarb: use MIT licenseTiago Vignatti2-3/+44
Signed-off-by: Tiago Vignatti <[email protected]> Cc: Henry Zhao <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-03vgaarb: convert pr_devel() to pr_debug()Tiago Vignatti1-17/+18
We want to be able to use CONFIG_DYNAMIC_DEBUG in arbiter code, switch the few existing pr_devel() calls to pr_debug(). Also, add one more debug information regarding decoding count. Signed-off-by: Tiago Vignatti <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-03drm: fix typos in Linux DRM Developer's GuideNicolas Kaiser1-6/+6
A few typos in the DRM Developer's Guide. Signed-off-by: Nicolas Kaiser <[email protected]> Acked-by: Jesse Barnes <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-03drm/radeon/kms/pm: voltage fixesAlex Deucher2-4/+12
- Enable GPIO voltage for non pm modes as well so resetting the default voltage works. Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-03drm/radeon/kms/pm: radeon_set_power_state fixesAlex Deucher1-41/+34
- wait for vbl for both profile and dynpm - unify profile and dynpm code paths more - call pm_misc before of after clocks to make sure voltage is changed in the proper order. Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-03drm/radeon/kms/pm: patch default power state with default clocks/voltages on ↵Alex Deucher1-1/+24
r6xx+ The default power state does not always match the default clocks and voltage for a particular card. The information in the firmware info table is correct and should be used in preference to the info the default power state. Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-03drm/radeon/kms/pm: enable SetVoltage on r7xx/evergreenAlex Deucher2-0/+10
I missed these in the r6xx commit. Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-03drm/radeon/kms/pm: add support for SetVoltage cmd table (V2)Alex Deucher4-1/+45
- This enables voltage adjustment on r6xx+ and certain r5xx asics. - Voltage drop support is already available for most r1xx-r5xx asics. V2: endian fix for voltage table. Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
2010-06-02of/watchdog: gef_wdt.c: fix build breakageAnatolij Gustschin1-1/+1
Fixes build error caused by the OF device_node pointer being moved into struct device Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02of/edac: fix build breakage in driversAnatolij Gustschin2-9/+9
Fixes build errors in EDAC drivers caused by the OF device_node pointer being moved into struct device Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02of/net: fs_enet/mii-bitbang.c: fix build breakageAnatolij Gustschin1-2/+2
Fixes build error caused by the OF device_node pointer being moved into struct device Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02of/usb: fsl_qe_udc.c: fix build breakageAnatolij Gustschin1-2/+2
Fixes build error caused by the OF device_node pointer being moved into struct device Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02of/crypto: crypto4xx_core.c: fix build breakageAnatolij Gustschin1-3/+3
Fixes build error caused by the OF device_node pointer being moved into struct device Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02of/dma: fix build breakage in ppc4xx adma driverAnatolij Gustschin1-2/+2
Fixes build error caused by the OF device_node pointer being moved into struct device Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02of/mtd: nand: fix build breakage in driversAnatolij Gustschin2-10/+11
Fixes build errors in drivers caused by the OF device_node pointer being moved into struct device Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02of/video: fix build breakage in FB driversAnatolij Gustschin7-7/+7
Fixes build errors in a number of framebuffer drivers caused by the OF device_node pointer being moved into struct device Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02of/pcmcia: m8xx_pcmcia.c: Fix build failuresAnatolij Gustschin1-2/+2
Fixes build errors caused by the: - OF device_node pointer being moved into struct device - typo in match_table field in the struct device_driver (which shoud be of_match_table) Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only filesTheodore Ts'o1-0/+3
Dan Roseberg has reported a problem with the MOVE_EXT ioctl. If the donor file is an append-only file, we should not allow the operation to proceed, lest we end up overwriting the contents of an append-only file. Signed-off-by: "Theodore Ts'o" <[email protected]> Cc: Dan Rosenberg <[email protected]>
2010-06-02Fix colors for Mach64Mikulas Patocka1-3/+6
Use the same color-calculating algorithm as in atyfb_imageblit in this driver or in generic cfb_fillrect. This patch fixes bad colors when using an accelerator in 15-bit and 16-bit modes. Signed-off-by: Mikulas Patocka <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2010-06-02of/rtc: rtc-mpc5121.c: Fix build failuresGrant Likely1-6/+8
Fixes build errors caused by the: - OF device_node pointer being moved into struct device - removal of the match_table field from struct of_platform_driver Signed-off-by: Grant Likely <[email protected]> CC: Paul Gortmaker <[email protected]> CC: Alessandro Zummo <[email protected]> CC: Wolfgang Denk <[email protected]> CC: Tejun Heo <[email protected]> CC: Anatolij Gustschin <[email protected]> CC: [email protected] CC: [email protected]
2010-06-02of/dma: mpc512x_dma.c: Fix build failuresAnatolij Gustschin1-5/+5
Fixes build errors caused by the: - OF device_node pointer being moved into struct device - removal of the match_table field from struct of_platform_driver Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02of/mtd/nand: mpc5121_nfc.c: Fix build failuresAnatolij Gustschin1-4/+4
Fixes build errors caused by the: - OF device_node pointer being moved into struct device - removal of the match_table field from struct of_platform_driver Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02of/spi: mpc512x_psc_spi.c: Fix build failuresAnatolij Gustschin1-6/+6
Fixes build errors caused by the: - OF device_node pointer being moved into struct device - removal of the match_table field from struct of_platform_driver Signed-off-by: Anatolij Gustschin <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02watchdog: Fix build failure with OF changesMichael Guntsche1-1/+1
commit 61c7a080a5a061c976988fd4b844dfb468dda255 ( of: Always use 'struct device.of_node' to get device node pointer.) missed drivers/watchdog/mpc8xxx_wdt.c. This patch fixes it Signed-off-by: Michael Guntsche <[email protected]> Signed-off-by: Grant Likely <[email protected]>
2010-06-02of/spi: Fix build failure on spi_ppc4xx.cGrant Likely1-1/+1
This patch fixes a build error caused by the OF device_node pointer being moved into struct device. Fixes bug introduced by commit 61c7a080a5a061c976988fd4b844dfb468dda255 (of: Always use 'struct device.of_node' to get device node pointer) Signed-off-by: Grant Likely <[email protected]> CC: Sean MacLennan <[email protected]> CC: [email protected] CC: [email protected]
2010-06-02of/usb: fix build error due to of_node pointer moveGrant Likely1-1/+1
Fix driver to use new location of of_node pointer (introduced by commit use new location of of_node pointer (introduced by commit 61c7a080a5a061c976988fd4b844dfb468dda255; of: Always use 'struct device.of_node' to get device node pointer) Signed-off-by: Grant Likely <[email protected]> Reported-by: John Linn <[email protected]> CC: Greg Kroah-Hartman <[email protected]> CC: Alan Stern <[email protected]> CC: [email protected] CC: [email protected]
2010-06-02libata: implement on-demand HPA unlockingTejun Heo3-0/+32
Implement ata_scsi_unlock_native_capacity() which will be called through SCSI layer when block layer notices that partitions on a device extend beyond the end of the device. It requests EH to unlock HPA, waits for completion and returns the current device capacity. This allows libata to unlock HPA on demand instead of having to decide whether to unlock upfront. Unlocking on demand is safer than unlocking by upfront because some BIOSes write private data to the area beyond HPA limit. This was suggested by Ben Hutchings. Signed-off-by: Tejun Heo <[email protected]> Suggested-by: Ben Hutchings <[email protected]> Signed-off-by: Jeff Garzik <[email protected]>
2010-06-02libata: use the enlarged capacity after late HPA unlockTejun Heo1-3/+2
After late HPA unlock, libata kept using the original capacity ignoring the new larger native capacity. Enlarging device on the fly doesn't cause any harm. Use the larger native capacity instead. This will enable on-demand HPA unlocking. Signed-off-by: Tejun Heo <[email protected]> Cc: Ben Hutchings <[email protected]> Signed-off-by: Jeff Garzik <[email protected]>
2010-06-02SCSI: implement sd_unlock_native_capacity()Tejun Heo2-0/+30
Implement sd_unlock_native_capacity() method which calls into hostt->unlock_native_capacity() if implemented. This will be invoked by block layer if partitions extend beyond the end of the device and can be used to implement, for example, on-demand ATA host protected area unlocking. Signed-off-by: Tejun Heo <[email protected]> Cc: Ben Hutchings <[email protected]> Signed-off-by: Jeff Garzik <[email protected]>
2010-06-02libata-sff: trivial corrections to Kconfig help textStefan Richter1-3/+3
Signed-off-by: Stefan Richter <[email protected]> Signed-off-by: Jeff Garzik <[email protected]>
2010-06-02sata_nv: don't diddle with nIEN on mcp55Tejun Heo1-2/+0
On mcp55, nIEN gets stuck once set and liteon blueray rom iHOS104-08 violates ATA specification and fails to set I on D2H Reg FIS if nIEN is set when the command was issued. When the other party is following the spec, both devices can work fine but when the two flaws are put together, they can't talk to each other. mcp55 has its own IRQ masking mechanism and there's no reason to mess with nIEN in the first place. Fix it by dropping nIEN diddling from nv_mcp55_freeze/thaw(). This was originally reported by Cengiz. Although Cengiz hasn't verified the fix yet, I could reproduce this problem and verfiy the fix. Even if Cengiz is experiencing different or additional problems, this patch is needed. Signed-off-by: Tejun Heo <[email protected]> Reported-by: Cengiz Günay <[email protected]> Cc: [email protected] Signed-off-by: Jeff Garzik <[email protected]>
2010-06-02sata_via: magic vt6421 fix for transmission problems w/ WD drivesTejun Heo1-0/+13
vt6421 has problems talking to recent WD drives. It causes a lot of transmission errors while high bandwidth transfer as reported in the following bugzilla entry. https://bugzilla.kernel.org/show_bug.cgi?id=15173 Joseph Chan provided the following fix. I don't have any idea what it does but I can verify the issue is gone with the patch applied. Signed-off-by: Tejun Heo <[email protected]> Originally-from: Joseph Chan <[email protected]> Reported-by: Jorrit Tijben <[email protected]> Cc: [email protected] Signed-off-by: Jeff Garzik <[email protected]>
2010-06-02cls_u32: use skb_header_pointer() to dereference data safelyChangli Gao1-13/+36
use skb_header_pointer() to dereference data safely the original skb->data dereference isn't safe, as there isn't any skb->len or skb_is_nonlinear() check. skb_header_pointer() is used instead in this patch. And when the skb isn't long enough, we terminate the function u32_classify() immediately with -1. Signed-off-by: Changli Gao <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-06-02TCP: tcp_hybla: Fix integer overflow in slow start incrementDaniele Lacamera1-2/+2
For large values of rtt, 2^rho operation may overflow u32. Clamp down the increment to 2^16. Signed-off-by: Daniele Lacamera <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-06-02act_nat: fix the wrong checksum when addr isn't in old_addr/maskChangli Gao1-0/+4
fix the wrong checksum when addr isn't in old_addr/mask For TCP and UDP packets, when addr isn't in old_addr/mask we don't do SNAT or DNAT, and we should not update layer 4 checksum. Signed-off-by: Changli Gao <[email protected]> ---- net/sched/act_nat.c | 4 ++++ 1 file changed, 4 insertions(+) Signed-off-by: David S. Miller <[email protected]>
2010-06-02net/fec: fix pm to survive to suspend/resumeEric Bénard1-8/+8
* in the actual driver, calling fec_stop and fec_enet_init doesn't allow to have a working network interface at resume (where a ifconfig down and up is required to recover the interface) * by using fec_enet_close and fec_enet_open, this patch solves this problem and handle the case where the link changed between suspend and resume * this patch also disable clock at suspend and reenable it at resume Signed-off-by: Eric Bénard <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-06-02korina: count RX DMA OVR as rx_fifo_errorPhil Sutter1-1/+1
This way, RX DMA overruns (actually being caused by overrun of the 512byte input FIFO) show up in ifconfig output. The rx_fifo_errors counter is unused otherwise. Signed-off-by: Phil Sutter <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-06-02korina: use netdev_alloc_skb_ip_align() here, tooPhil Sutter1-2/+1
This patch completes commit 89d71a66c40d629e3b1285def543ab1425558cd5 which missed this spot, as it seems. Signed-off-by: Phil Sutter <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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