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2007-03-29[PATCH] uml: fix I/O hang when multiple devices are in useJeff Dike
Commit 62f96cb01e8de7a5daee472e540f726db2801499 introduced per-devices queues and locks, which was fine as far as it went, but left in place a global which controlled access to submitting requests to the host. This should have been made per-device as well, since it causes I/O hangs when multiple block devices are in use. This patch fixes that by replacing the global with an activity flag in the device structure in order to tell whether the queue is currently being run. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-29[PATCH] bluetooth hid quirks: mightymouse quirkJiri Kosina
I have a bugreport that scrollwheel of bluetooth version of apple mightymouse doesn't work. The USB version of mightymouse works, as there is a quirk for handling scrollwheel in hid/usbhid for it. Now that bluetooth git tree is hooked to generic hid layer, it could easily use the quirks which are already present in generic hid parser, hid-input, etc. Below is a simple patch against bluetooth git tree, which adds quirk handling to current bluetooth hidp code, and sets quirk flags for device 0x05ac/0x030c, which is the bluetooth version of the apple mightymouse. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-29[PATCH] adaptec MAINTAINERS updatesSalyzyn, Mark
The IPS and DPT_I2O drivers are missing, so here is my 'hand coded' addition to deal with overlap to the patch below (apply both). I selected Maintained rather than supported for the ips and dpt_i2o driver due to their legacy nature. Cc: James Bottomley <James.Bottomley@steeleye.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-29[PATCH] pid: Properly detect orphaned process groups in exit_notifyEric W. Biederman
In commit 0475ac0845f9295bc5f69af45f58dff2c104c8d1 when converting the orphaned process group handling to use struct pid I made a small mistake. I accidentally replaced an == with a !=. Besides just being a dumb thing to do apparently this has a bad side effect. The improper orphaned process group detection causes kwin to die after a suspend/resume cycle. I'm amazed this patch has been around as long as it has without anyone else noticing something funny going on. And the following people deserve credit for spotting and helping to reproduce this. Thanks to: Sid Boyce <g3vbv@blueyonder.co.uk> Thanks to: "Michael Wu" Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-29[PATCH] x86_64 irq: Fix comments after changing IRQ0_VECTOR from 0x20 to 0x30Yinghai Lu
Signed-off-by: Yinghai Lu <yinghai.lu@amd.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-29[POWERPC] Fix dcr_unmap()Jean-Christophe Dubois
Fix a bug in dcr_unmap(). At unmap time the DCR offset need to be added instead of substracted. Signed-off-by: Jean-Christophe Dubois <jdubois@mc.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-03-28Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: ocfs2_dlm: Check for migrateable lockres in dlm_empty_lockres() ocfs2_dlm: Fix lockres ref counting bug
2007-03-28Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [VIDEO]: Fix section mismatch in cg3.c [SPARC]: sparc64 gcc-4.2.0 20070317 -Werror failure [VIDEO] ffb: Fix two DAC handling bugs. [SPARC32]: Fix SMP build regression [DRM]: Delete sparc64 FFB driver code that never gets built.
2007-03-28Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [DCCP] getsockopt: Fix DCCP_SOCKOPT_[SEND,RECV]_CSCOV
2007-03-28Merge branch 'for-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband: IB/iser: Handle aborting a command after it is sent IB/mthca: Fix thinko in init_mr_table() RDMA/cxgb3: Fix resource leak in cxio_hal_init_ctrl_qp()
2007-03-28[PATCH] MSI-X: fix resume crashEric W. Biederman
So I think the right solution is to simply make pci_enable_device just flip enable bits and move the rest of the work someplace else. However a thorough cleanup is a little extreme for this point in the release cycle, so I think a quick hack that makes the code not stomp the irq when msi irq's are enabled should be the first fix. Then we can later make the code not change the irqs at all. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-28[PATCH] oprofile: fix potential deadlock on oprofilefs_lockJiri Kosina
nmi_cpu_setup() is called from hardirq context and acquires oprofilefs_lock. alloc_event_buffer() and oprofilefs_ulong_from_user() acquire this lock without disabling irqs, which could deadlock. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-28Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: sh: Trivial fix for hp6xx build. sh: Fixup __cmpxchg() compile breakage with gcc4. sh: Kill bogus GCC4 symbol exports.
2007-03-28Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: ata: NCQ is broken on Maxtor 6L250S0 pata_pdc202xx_old: LBA48 bug libata: IDENTIFY backwards for drive side cable detection ahci.c: walkaround for SB600 SATA internal error issue [libata] Disable ACPI by default; fix namespace problems
2007-03-28Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: SUN3/3X Lance trivial fix improved mv643xx_eth: Fix use of uninitialized port_num field forcedeth: fix tx timeout forcedeth: fix nic poll qla3xxx: bugfix: Jumbo frame handling. qla3xxx: bugfix: Dropping interrupt under heavy network load. qla3xxx: bugfix: Multi segment sends were getting whacked. qla3xxx: bugfix: Add tx control block memset. atl1: remove unnecessary crc inversion myri10ge: correctly detect when TSO should be used [PATCH] WE-22 : prevent information leak on 64 bit [PATCH] wext: Add missing ioctls to 64<->32 conversion [PATCH] bcm43xx: Fix machine check on PPC for version 1 PHY [PATCH] bcm43xx: fix radio_set_tx_iq [PATCH] bcm43xx: Fix code for confusion between PHY revision and PHY version
2007-03-28[PATCH] hrtimers: fix reprogramming SMP raceIngo Molnar
hrtimer_start() incorrectly set the 'reprogram' flag to enqueue_hrtimer(), which should only be 1 if the hrtimer is queued to the current CPU. Doing otherwise could result in a reprogramming of the current CPU's clockevents device, with a timer that is not queued to it - resulting in a bogus next expiry value. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-28[VIDEO]: Fix section mismatch in cg3.cRobert Reif
Fix section mismatch warning by moving data into __devinitdata section. Add __devinit to initialization functions. Signed-off-by: Robert Reif <reif@earthlink.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-03-28[DCCP] getsockopt: Fix DCCP_SOCKOPT_[SEND,RECV]_CSCOVArnaldo Carvalho de Melo
We were only checking if there was enough space to put the int, but left len as specified by the (malicious) user, sigh, fix it by setting len to sizeof(val) and transfering just one int worth of data, the one asked for. Also check for negative len values. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-03-28sh: Trivial fix for hp6xx build.Kristoffer Ericson
The IRQ3 define was removed when asm-sh/irq.h was cleaned up, this updates the hp6xx header to use the IRQ number directly. Signed-off-by: Kristoffer Ericson <kristoffer_e1@hotmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-03-28sh: Fixup __cmpxchg() compile breakage with gcc4.Paul Mundt
As reported by Manuel: When I build linux with GCC-4.x and enable CONFIG_CC_OPTIMIZE_FOR_SIZE linking fails with this error: LD .tmp_vmlinux1 kernel/built-in.o: In function '__cmpxchg_called_with_bad_pointer' make[1]: *** [.tmp_vmlinux1] Error 1 make: *** [_all] Error 2 This ended up being an inlining problem, fixed by explicitly including linux/compiler.h and grabbing the definitions from there. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-03-28sh: Kill bogus GCC4 symbol exports.Paul Mundt
__sdivsi3_i4i, __udiv_qrnnd_16, and __udivsi3_i4i don't exist outside of the ST compiler, so kill them off. This causes compile failures with other GCC4 compilers. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-03-28Merge branch 'upstream-fixes' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream-fixes
2007-03-28SUN3/3X Lance trivial fix improvedCyrill V. Gorcunov
This patch adds checking for allocated DVMA memory and granted IRQ line. Signed-off-by: Cyrill V. Gorcunov <gorcunov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28mv643xx_eth: Fix use of uninitialized port_num fieldGabriel Paubert
In this driver, the default ethernet address is first set by by calling eth_port_uc_addr_get() which reads the relevant registers of the corresponding port as initially set by firmware. However that function used the port_num field accessed through the private area of net_dev before it was set. The result was that one board I have ended up with the unicast address set to 00:00:00:00:00:00 (only port 1 is connected on this board). The problem appeared after commit 84dd619e4dc3b0b1c40dafd98c90fd950bce7bc5. This patch fixes the bug by setting mp->port_num prior to calling eth_port_uc_get_addr(). Signed-off-by: Gabriel Paubert <paubert@iram.es> Signed-off-by: Dale Farnsworth <dale@farnsworth.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28forcedeth: fix tx timeoutAyaz Abdulla
The tx timeout routine was waking the tx queue conditionally. However, it must call it unconditionally since the dev_watchdog has halted the tx queue before calling the timeout function. Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28forcedeth: fix nic pollAyaz Abdulla
The nic poll routine was missing the call to the optimized irq routine. This patch adds the missing call for the optimized path. See http://bugzilla.kernel.org/show_bug.cgi?id=7950 for more information. Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28qla3xxx: bugfix: Jumbo frame handling.Ron Mercer
Fixed rx checksum bits. Turn on TCP processing for rx checksum. Fixed max frame length register write. It wasn't getting set in multi-port system. Set rx buffer queue length properly for jumbo frames. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28qla3xxx: bugfix: Dropping interrupt under heavy network load.Ron Mercer
Update the rx queue pointer when exiting NAPI poll rather than at the end of each iteration. Remove unnecessary PCI flushes that occurred after every write. Now write all regs and flush once. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28qla3xxx: bugfix: Multi segment sends were getting whacked.Ron Mercer
The proper header length was not being used. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28qla3xxx: bugfix: Add tx control block memset.Ron Mercer
This was removed in a previous patch to increase performance, but caused a transmit error for the 4032 chip. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28atl1: remove unnecessary crc inversionJay Cliburn
The original vendor driver contained a private ether_crc_le() function that produced an inverted crc. When we changed to the kernel version of ether_crc_le(), we neglected to undo the inversion. Let's do it now. Discovered by and patch proffered by Jose Alberto Reguero. Signed-off-by: Jose Alberto Reguero <jareguero@telefonica.net> Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28myri10ge: correctly detect when TSO should be usedBrice Goglin
Correctly detect when TSO should be used on transmit by looking at the skb->gso_size rather than seeing if the frame was larger than our MTU. The old method causes problems when a host with a large (jumbo) MTU is sending to a host with a small (standard) MTU. Signed-off-by: Brice Goglin <brice@myri.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28ata: NCQ is broken on Maxtor 6L250S0Paul Rolland
With this applied, my machine has stopped all those painful messages. dmesg now says : root@riri:/Kernels# dmesg | grep LBA ata1.00: 490234752 sectors, multi 0: LBA48 NCQ (not used) ata2.00: 640 sectors, multi 1: LBA ata3.00: 490234752 sectors, multi 0: LBA48 NCQ (not used) Signed-off-by: Paul Rolland <rol@as2917.net> Acked-by: Alan Cox <alan@redhat.com> Cc: Jeff Garzik <jeff@garzik.org> Cc: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28pata_pdc202xx_old: LBA48 bugAlan Cox
In LBA48 mode we have to help the controller to get anything to work. The chip provides a register giving word counts meant for ATAPI use which we can use. However we need to load the count in words not bytes.. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28libata: IDENTIFY backwards for drive side cable detectionTejun Heo
For drive side cable detection to work correctly, drives need to be identified backwards such that the slave device releases PDIAG- before the mater drive tries to detect cable type. ata_bus_probe() was fixed by commit f31f0cc2f0b7527072d94d02da332d9bb8d7d94c but the new EH path wasn't fixed. This patch makes new EH path do IDENTIFY backwards. ata_dev_configure() for new devices are still performed master first. This is to keep the detection messages in forward order. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28ahci.c: walkaround for SB600 SATA internal error issueConke Hu
There is a HW issue in ATI SB600 SATA that PxSERR.E should not be set on some conditions, for example, when there is no media in SATA CD/DVD drive or media is not ready, AHCI controller fails to execute ATAPI commands and reports PORT_IRQ_TF_ERR, but ATI SB600 SATA controller sets PxSERR.E at the same time, which is not necessary. This patch is just to ignore the INTERNAL ERROR in such case. Without this patch, ahci error handler will report many errors as below: ----------- cut from dmesg ----------- ata9: soft resetting port ata9: SATA link up 1.5 Gbps (SStatus 113 SControl 300) ata9.00: configured for UDMA/33 ata9: EH complete ata9.00: exception Emask 0x40 SAct 0x0 SErr 0x800 action 0x2 ata9.00: (irq_stat 0x40000001) ata9.00: cmd a0/00:00:00:00:20/00:00:00:00:00/a0 tag 0 cdb 0x0 data 0 res 51/24:03:00:00:20/00:00:00:00:00/a0 Emask 0x40 (internal error) ata9: soft resetting port ata9: SATA link up 1.5 Gbps (SStatus 113 SControl 300) ata9.00: configured for UDMA/33 ata9: EH complete ata9.00: exception Emask 0x40 SAct 0x0 SErr 0x800 action 0x2 ata9.00: (irq_stat 0x40000001) ata9.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x43 data 12 in res 51/24:03:00:00:00/00:00:00:00:00/a0 Emask 0x40 (internal error) -------- end cut --------- Signed-off-by: Conke Hu <conke.hu@amd.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-28[libata] Disable ACPI by default; fix namespace problemsJeff Garzik
Not yet ready to turn on ATA ACPI by default, for either PATA or SATA. Also, rename the global-scope module parameter variable 'noacpi' to something more libata-specific, reducing the potential for namespace collision. Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-27Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [IPV6]: Set IF_READY if the device is up and has carrier [NET_SCHED]: sch_htb/sch_hfsc: fix oops in qlen_notify [NET]: Remove dead net/sched/Makefile entry for sch_hpfq.o.
2007-03-27[PATCH] aio: remove bare user-triggerable error printkZach Brown
The user can generate console output if they cause do_mmap() to fail during sys_io_setup(). This was seen in a regression test that does exactly that by spinning calling mmap() until it gets -ENOMEM before calling io_setup(). We don't need this printk at all, just remove it. Signed-off-by: Zach Brown <zach.brown@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-27[IPV6]: Set IF_READY if the device is up and has carrierHerbert Xu
We still need to set the IF_READY flag in ipv6_add_dev for the case where all addresses (including the link-local) are deleted and then recreated. In that case the IPv6 device too will be destroyed and then recreated. In order to prevent the original problem, we simply ensure that the device is up before setting IF_READY. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-03-27[NET_SCHED]: sch_htb/sch_hfsc: fix oops in qlen_notifyPatrick McHardy
During both HTB and HFSC class deletion the class is removed from the class hash before calling qdisc_tree_decrease_qlen. This makes the ->get operation in qdisc_tree_decrease_qlen fail, so it passes a NULL pointer to ->qlen_notify, causing an oops. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-03-27[PATCH] WE-22 : prevent information leak on 64 bitJean Tourrilhes
Johannes Berg discovered that kernel space was leaking to userspace on 64 bit platform. He made a first patch to fix that. This is an improved version of his patch. Signed-off-by: Jean Tourrilhes <jt@hpl.hp.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-03-27[PATCH] wext: Add missing ioctls to 64<->32 conversionJean Tourrilhes
Johannes Berg and Michael Buesch noticed that the WPA ioctls were missing from the 64<->32 bit conversion. This means that when using a 32 bits userspace on a 64 bit kernel, those ioctls fail. Signed-off-by: Jean Tourrilhes <jt@hpl.hp.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-03-27[PATCH] bcm43xx: Fix machine check on PPC for version 1 PHYDavid Woodhouse
Recent changes in the specs that were introduced in commit 740ac4fb08866d702be90f167665d03759bd27d0 were incorrect and resulted in machine check errors on the PPC architecture for G PHY's with a revision number equal to 1. The two offending changes are reverted. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-03-27[PATCH] bcm43xx: fix radio_set_tx_iqStefano Brivio
Fix a duplicated leftshift in bcm43xx_radio_set_tx_iq. data_high values are already leftshifted. Thanks to Michael Buesch for spotting this. Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-03-27[PATCH] bcm43xx: Fix code for confusion between PHY revision and PHY versionLarry Finger
There are several places where the PHY version and revision were interchanged. These are changed in the specifications on 2/13/07 and now use "analog" instead instead of "version" to help reduce confusion. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-03-27Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] gdth: fix oops in gdth_copy_cmd() [SCSI] mptsas: Fix oops for insmod during kexec [SCSI] lpfc: avoid double-free during PCI error failure
2007-03-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvbLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: V4L/DVB (5472): Isl6421: don't reference freed memory V4L/DVB (5441): Saa7146: Fix allocation of clipping memory V4L/DVB (5421): Fix suspend/resume in msp3400 and tuner V4L/DVB (5415): Msp_attach must return 0 if no msp3400 was found. V4L/DVB (5408): Fix SECAM handling on saa7115 V4L/DVB (5400): Core: fix several locking related problems V4L/DVB (5390): Radio: Fix error in Kbuild file V4L/DVB (5332): Ir_rc5_timer_end decoder lockup fix
2007-03-27Merge git://kvm.qumranet.com/home/avi/kvmLinus Torvalds
* git://kvm.qumranet.com/home/avi/kvm: KVM: always reload segment selectors KVM: Prevent system selectors leaking into guest on real->protected mode transition on vmx
2007-03-27[PATCH] Revert "swsusp: disable nonboot CPUs before entering platform suspend"Rafael J. Wysocki
This reverts commit 94985134b7b46848267ed6b734320db01c974e72 and insteads removes the WARN_ON() that caused that commit in the first place. The problem is that we call disable_nonboot_cpus() in swsusp before powering down the system in order to avoid triggering the WARN_ON() in arch/x86_64/kernel/acpi/sleep.c:init_low_mapping() and this doesn't work well on Thomas' system. So instead, remove the WARN_ON() in arch/x86_64/kernel/acpi/sleep.c: init_low_mapping(), which triggers every time during the suspend to disk in the platform mode, as the potential problem it is related to doesn't seem to occur in practice. [ I think we might want to disallow the case of multiple users of that mm, or something. Normally, playing with the current process page tables on the current CPU should be fine as long as we don't have other threads using those tables at the same time.. Anyway, not pretty, but better than the warning or the lockup - Linus ] Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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