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2007-01-09JFS: Avoid BUG() on a damaged file systemDave Kleikamp1-0/+15
On Mon, 2006-12-18 at 19:51 +0100, Eric Sesterhenn wrote: > hi, > > while playing around with fsfuzzer, i got the following oops with jfs: > > [ 851.804875] BUG at fs/jfs/jfs_xtree.c:760 > assert(!BT_STACK_FULL(btstack)) > [ 851.805179] ------------[ cut here ]------------ > [ 851.805238] kernel BUG at fs/jfs/jfs_xtree.c:760! JFS should mark the superblock dirty and return an error rather than calling BUG(). Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
2007-01-08Merge branch 'for-linus' of ↵Linus Torvalds4-47/+29
master.kernel.org:/pub/scm/linux/kernel/git/jmorris/selinux-2.6 * 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jmorris/selinux-2.6: selinux: Delete mls_copy_context
2007-01-08Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds13-87/+581
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] PNX8550: Fix system timer support [MIPS] TX49: Fix use of CDEX build_store_reg() [MIPS] pnx8550: Fix write_config_byte() PCI config space accessor [MIPS] Fix build errors on SEAD [MIPS] SMTC build fix [MIPS] csum_partial and copy in parallel [MIPS] Malta: Add missing MTD file.
2007-01-08Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds13-17/+103
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] Provide basic printk_clock() implementation [ARM] Resolve fuse and direct-IO failures due to missing cache flushes [ARM] pass vma for flush_anon_page() [ARM] Fix potential MMCI bug [ARM] Fix kernel-mode undefined instruction aborts [ARM] 4082/1: iop3xx: fix iop33x gpio register offset [ARM] 4070/1: arch/arm/kernel: fix warnings from missing includes [ARM] 4079/1: iop: Update MAINTAINERS
2007-01-08Revert "[PATCH] x86-64: Try multiple timer variants in check_timer"Linus Torvalds3-51/+82
This reverts commit b026872601976f666bae77b609dc490d1834bf77, which has been linked to several problem reports with IO-APIC and the timer. Machines either don't boot because the timer doesn't happen, or we get double timer interrupts because we end up double-routing the timer irq through multiple interfaces. See for example http://lkml.org/lkml/2006/12/16/101 http://lkml.org/lkml/2007/1/3/9 http://bugzilla.kernel.org/show_bug.cgi?id=7789 about some of the discussion. Patches to fix this cleanup exist (and have been confirmed to work fine at least for some of the affected cases) and we'll revisit it for 2.6.21, but this late in the -rc series we're better off just reverting the incomplete commit that caused the problems. Suggested-by: Adrian Bunk <bunk@stusta.de> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Yinghai Lu <yinghai.lu@amd.com> Cc: Andrew Morton <akpm@osdl.org> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-08selinux: Delete mls_copy_contextVenkat Yekkirala4-47/+29
This deletes mls_copy_context() in favor of mls_context_cpy() and replaces mls_scopy_context() with mls_context_cpy_low(). Signed-off-by: Venkat Yekkirala <vyekkirala@TrustedCS.com> Acked-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: James Morris <jmorris@namei.org>
2007-01-08[MIPS] PNX8550: Fix system timer supportVitaly Wool2-9/+37
the patch inlined below restores proper time accounting for PNX8550-based boards. It also gets rid of #ifdef in the generic code which becomes unnecessary then. It's functionally identical to the previous patch with the same name but it has minor comments from Atsushi and Sergei taken into account. Signed-off-by: Vitaly Wool <vwool@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-08[MIPS] TX49: Fix use of CDEX build_store_reg()Atsushi Nemoto1-5/+4
The commit a923660d786a53e78834b19062f7af2535f7f8ad accidently prevents TX49 from using CDEX. Use build_dst_pref() only if prefetch for store was really available. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-08[MIPS] pnx8550: Fix write_config_byte() PCI config space accessorDavy Chan1-1/+1
There's a serious typo in the function: arch/mips/pci/ops-pnx8550.c:write_config_byte() The parameter passed to the function config_access() is PCI_CMD_CONFIG_READ instead of PCI_CMD_CONFIG_WRITE. This renders any attempts to write a single byte to the PCI configuration registers useless. This problem does not exist for write_config_word() nor write_config_dword(). This problem has been there since kernel v2.6.17 and is still there as of kernel v2.6.19.1. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-08[MIPS] Fix build errors on SEADAtsushi Nemoto2-4/+9
Quick and dirty fix for build errors on SEAD. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-08[MIPS] SMTC build fixAtsushi Nemoto1-3/+3
Pass "irq" to __DO_IRQ_SMTC_HOOK() macro. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-08[MIPS] csum_partial and copy in parallelAtsushi Nemoto5-65/+464
Implement optimized asm version of csum_partial_copy_nocheck, csum_partial_copy_from_user and csum_and_copy_to_user which can do calculate and copy in parallel, based on memcpy.S. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-08[MIPS] Malta: Add missing MTD file.Ralf Baechle1-0/+63
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-08[ARM] Provide basic printk_clock() implementationRussell King1-0/+11
Current sched_clock() implementations on ARM cause unbootable kernels with PRINTK_TIME support enabled. To avoid this, provide a basic printk_clock() implementation which avoids sched_clock() being called before the page tables have been set up. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-01-08[ARM] Resolve fuse and direct-IO failures due to missing cache flushesRussell King2-0/+49
fuse does not work on ARM due to cache incoherency issues - fuse wants to use get_user_pages() to copy data from the current process into kernel space. However, since this accesses userspace via the kernel mapping, the kernel mapping can be out of date wrt data written to userspace. This can lead to unpredictable behaviour (in the case of fuse) or data corruption for direct-IO. This resolves debian bug #402876 Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-01-08[ARM] pass vma for flush_anon_page()Russell King4-5/+6
Since get_user_pages() may be used with processes other than the current process and calls flush_anon_page(), flush_anon_page() has to cope in some way with non-current processes. It may not be appropriate, or even desirable to flush a region of virtual memory cache in the current process when that is different to the process that we want the flush to occur for. Therefore, pass the vma into flush_anon_page() so that the architecture can work out whether the 'vmaddr' is for the current process or not. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-01-08[ARM] Fix potential MMCI bugRussell King1-0/+4
The MMCI driver might end up aborting the initial command and leaving the data part of the command sequence still in place. Avoid this problem by ensuring that any data sequence is properly cleared out when a command completes. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-01-06Linux 2.6.20-rc4v2.6.20-rc4Linus Torvalds1-1/+1
2007-01-06[ARM] Fix kernel-mode undefined instruction abortsRussell King1-4/+8
If the kernel attempts to execute a CP1 or CP2 instruction and it aborts, and a FP emulator is not loaded, we try to return as if to a user context, instead of the proper kernel context. Since the fault came from kernel mode, we must use the kernel return paths. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-01-06Revert "[PATCH] binfmt_elf: randomize PIE binaries (2nd try)"Linus Torvalds1-7/+1
This reverts commit 59287c0913cc9a6c75712a775f6c1c1ef418ef3b. Hugh Dickins reports that it causes random failures on x86 with SuSE 10.2, and points out "Isn't that randomization, anywhere from 0x10000 to ELF_ET_DYN_BASE, sure to place the ET_DYN from time to time just where the comment says it's trying to avoid? I assume that somehow results in the error reported." (where the comment in question is the existing comment in the source code about mmap/brk clashes). Suggested-by: Hugh Dickins <hugh@veritas.com> Acked-by: Marcus Meissner <meissner@suse.de> Cc: Andrew Morton <akpm@osdl.org> Cc: Andi Kleen <ak@suse.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Dave Jones <davej@codemonkey.org.uk> Cc: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-06[ARM] 4082/1: iop3xx: fix iop33x gpio register offsetDan Williams2-4/+4
iop33x gpio offset is correct in include/asm-arm/arch-iop33x/iop33x.h, but include/asm-arm/hardware/iop3xx.h adds 4. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-01-06[ARM] 4070/1: arch/arm/kernel: fix warnings from missing includesBen Dooks2-0/+3
Include <asm/io.h> to fix the warning: arch/arm/kernel/traps.c:647:6: warning: symbol '__readwrite_bug' was not declared. Should it be static? Include <linux/mc146818rtc.h> to fix the warning: arch/arm/kernel/time.c:42:1: warning: symbol 'rtc_lock' was not declared. Should it be static? Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-01-06[ARM] 4079/1: iop: Update MAINTAINERSDan Williams1-4/+18
Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-01-06Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds1-5/+33
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: [PATCH] Driver core: Fix prefix driver links in /sys/module by bus-name
2007-01-06Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6Linus Torvalds1-1/+1
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: [PATCH] PCI: disable PCI_MULTITHREAD_PROBE
2007-01-06Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds11-76/+235
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: USB: asix: Fix AX88772 device PHY selection USB: usblp.c - add Kyocera Mita FS 820 to list of "quirky" printers sisusb_con warning fixes USB: Fixed bug in endpoint release function. USB: small update to Documentation/usb/acm.txt USB storage: fix ipod ejecting issue USB Storage: unusual_devs: add supertop drives USB: omap_udc build fixes (sync with linux-omap) USB: funsoft is borken on sparc USB: fix interaction between different interfaces in an "Option" usb device UHCI: support device_may_wakeup UHCI: make test for ASUS motherboard more specific
2007-01-06Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6Linus Torvalds7-21/+51
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: i2c/m41t00: Do not forget to write year i2c-mv64xxx: Fix random oops at boot i2c: Migration aids for i2c_adapter.dev removal i2c-pnx: Add entry to MAINTAINERS i2c-pnx: Fix interrupt handler, get rid of EARLY config option
2007-01-05[PATCH] connector: some fixes for ia64 unaligned access errorsErik Jacobson1-5/+6
On ia64, the various functions that make up cn_proc.c cause kernel unaligned access errors. If you are using these, for example, to get notification about all tasks forking and exiting, you get multiple unaligned access errors per process. Use put_unaligned() in the appropriate palces to fix this. Signed-off-by: Erik Jacobson <erikj@sgi.com> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: <stable@kernel.org> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] shrink_all_memory(): fix lru_pages handlingAndrew Morton1-17/+16
At the end of shrink_all_memory() we forget to recalculate lru_pages: it can be zero. Fix that up, and add a helper function for this operation too. Also, recalculate lru_pages each time around the inner loop to get the balancing correct. Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] fix garbage instead of zeroes in UFSEvgeniy Dushistov2-36/+30
Looks like this is the problem, which point Al Viro some time ago: ufs's get_block callback allocates 16k of disk at a time, and links that entire 16k into the file's metadata. But because get_block is called for only a single buffer_head (a 2k buffer_head in this case?) we are only able to tell the VFS that this 2k is buffer_new(). So when ufs_getfrag_block() is later called to map some more data in the file, and when that data resides within the remaining 14k of this fragment, ufs_getfrag_block() will incorrectly return a !buffer_new() buffer_head. I don't see _right_ way to do nullification of whole block, if use inode page cache, some pages may be outside of inode limits (inode size), and will be lost; if use blockdev page cache it is possible to zero real data, if later inode page cache will be used. The simpliest way, as can I see usage of block device page cache, but not only mark dirty, but also sync it during "nullification". I use my simple tests collection, which I used for check that create,open,write,read,close works on ufs, and I see that this patch makes ufs code 18% slower then before. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] fix OOM killing of swapoffHugh Dickins1-6/+6
These days, if you swapoff when there isn't enough memory, OOM killer gives "BUG: scheduling while atomic" and the machine hangs: badness() needs to do its PF_SWAPOFF return after the task_unlock (tasklist_lock is also held here, so p isn't going to be freed: PF_SWAPOFF might get turned off at any moment, but that doesn't really matter). Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] fix the toshiba_acpi write_lcd return valueMatthijs van Otterdijk1-3/+6
write_lcd() in toshiba_acpi returns 0 on success since the big ACPI patch merged in 2.6.20-rc2. It should return count. Signed-off-by: Matthijs van Otterdijk <thotter@gmail.com> Cc: Len Brown <lenb@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] qconf: fix SIGSEGV on empty menu itemsCyrill V. Gorcunov2-2/+12
qconf may cause SIGSEGV by trying to show debug information on empty menu items Signed-off-by: Cyrill V. Gorcunov <gorcunov@gmail.com> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] Check for populated zone in __drain_pagesChristoph Lameter1-0/+3
Both process_zones() and drain_node_pages() check for populated zones before touching pagesets. However, __drain_pages does not do so, This may result in a NULL pointer dereference for pagesets in unpopulated zones if a NUMA setup is combined with cpu hotplug. Initially the unpopulated zone has the pcp pointers pointing to the boot pagesets. Since the zone is not populated the boot pageset pointers will not be changed during page allocator and slab bootstrap. If a cpu is later brought down (first call to __drain_pages()) then the pcp pointers for cpus in unpopulated zones are set to NULL since __drain_pages does not first check for an unpopulated zone. If the cpu is then brought up again then we call process_zones() which will ignore the unpopulated zone. So the pageset pointers will still be NULL. If the cpu is then again brought down then __drain_pages will attempt to drain pages by following the NULL pageset pointer for unpopulated zones. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] hpt37x: Two important bug fixesAlan1-3/+3
The HPT37x driver very carefully handles DMA completions and the needed fixups are done on pci registers 0x50 and 0x52. This is unfortunate because the actual registers are 0x50 and 0x54. Fixing this offset cures the second channel problems reported. Secondly there are some problems with the HPT370 and certain ATA drives. The filter code however only filters ATAPI devices due to a reversed type check. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] pata_optidma: typo in KconfigAlexey Dobriyan1-1/+1
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Alan Cox <alan@redhat.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: Simplify test for interrupt windowDor Laor2-4/+2
No need to test for rflags.if as both VT and SVM specs assure us that on exit caused from interrupt window opening, 'if' is set. Signed-off-by: Dor Laor <dor.laor@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: Simplify mmu_alloc_roots()Ingo Molnar1-6/+6
Small optimization/cleanup: page == page_header(page->page_hpa) Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: Make loading cr3 more robustIngo Molnar1-1/+13
Prevent the guest's loading of a corrupt cr3 (pointing at no guest phsyical page) from crashing the host. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: MMU: Add missing dirty bitAvi Kivity1-0/+1
If we emulate a write, we fail to set the dirty bit on the guest pte, leading the guest to believe the page is clean, and thus lose data. Bad. Fix by setting the guest pte dirty bit under such conditions. Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: Don't set guest cr3 from vmx_vcpu_setup()Avi Kivity1-2/+0
It overwrites the right cr3 set from mmu setup. Happens only with the test harness. Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: Add missing 'break'Avi Kivity1-0/+1
Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: Avoid oom on cr3 switchIngo Molnar1-0/+2
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: Initialize vcpu->kvm a little earlierAvi Kivity1-1/+1
Fixes oops on early close of /dev/kvm. Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: Improve reporting of vmwrite errorsAvi Kivity1-3/+9
This will allow us to see the root cause when a vmwrite error happens. Signed-off-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: MMU: add audit code to check mappings, etc are correctAvi Kivity2-2/+189
Signed-off-by: Avi Kivity <avi@qumranet.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: MMU: Destroy mmu while we still have a vcpu leftAvi Kivity1-1/+1
mmu_destroy flushes the guest tlb (indirectly), which needs a valid vcpu. Signed-off-by: Avi Kivity <avi@qumranet.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: MMU: Flush guest tlb when reducing permissions on a pteAvi Kivity1-1/+6
If we reduce permissions on a pte, we must flush the cached copy of the pte from the guest's tlb. This is implemented at the moment by flushing the entire guest tlb, and can be improved by flushing just the relevant virtual address, if it is known. Signed-off-by: Avi Kivity <avi@qumranet.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: MMU: Detect oom conditions and propagate error to userspaceAvi Kivity4-19/+50
Signed-off-by: Avi Kivity <avi@qumranet.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2007-01-05[PATCH] KVM: MMU: Replace atomic allocations by preallocated objectsAvi Kivity4-37/+153
The mmu sometimes needs memory for reverse mapping and parent pte chains. however, we can't allocate from within the mmu because of the atomic context. So, move the allocations to a central place that can be executed before the main mmu machinery, where we can bail out on failure before any damage is done. (error handling is deffered for now, but the basic structure is there) Signed-off-by: Avi Kivity <avi@qumranet.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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