[Maverick] SRU: Update to 2.6.35.6 stable kernel

Tue Sep 28 15:30:37 UTC 2010

On Tue, 2010-09-28 at 09:35 +0200, Stefan Bader wrote:
> On 09/28/2010 02:24 AM, Leann Ogasawara wrote:
> > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/649208
> > 
> > SRU Justification
> > 
> > Impact:
> > 
> > The upstream process for stable tree updates is quite similar in scope
> > to the Ubuntu SRU process, e.g., each patch has to demonstrably fix a
> > bug, and each patch is vetted by upstream by originating either directly
> > from Linus' tree or in a minimally backported form of that patch. The
> > 2.6.35.6 upstream stable patch set is now available. It should be
> > included in the Ubuntu kernel as well.
> > 
> >     http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.6
> >     http://kernel.org/pub/linux/kernel/v2.6/patch-2.6.35.6.bz2
> > 
> > Test Case: TBD
> > 
> > A full preview of the patch set can be found at:
> > 
> > http://kernel.ubuntu.com/git?p=ogasawara/ubuntu-maverick.git;a=shortlog;h=refs/heads/stable
> > 
> > I intend to upload a test kernel to my kernel-ppa once we've resolved LP
> > Bug 645653:
> > 
> > https://launchpad.net/~leannogasawara/+archive/kernel-ppa
> > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/645653
> > 
> > Additionally, the following patch was applied to 2.6.35.6 upstream
> > stable as a combination of two upstream commits which required
> > additional backporting.  We'd already applied this commit as 3 separate
> > clean upstream cherry-picks so I've chosen to skip the stable patch in
> > favor of the cleaner upstream cherry-picks:
> > 
> >  * intel_agp, drm/i915: Add all sandybridge graphics devices support
> > 
> > The following patches are in the 2.6.35.6 stable release:
> > 
> >  * usb: musb_debugfs: don't use the struct file private_data field with seq_files
> >  * USB: serial/mos*: prevent reading uninitialized stack memory
> >  * bridge: Clear INET control block of SKBs passed into ip_fragment().
> >  * gro: fix different skb headrooms
> >  * gro: Re-fix different skb headrooms
> >  * irda: Correctly clean up self->ias_obj on irda_bind() failure.
> >  * rds: fix a leak of kernel memory
> >  * net: RPS needs to depend upon USE_GENERIC_SMP_HELPERS
> >  * tcp: Combat per-cpu skew in orphan tests.
> >  * tcp: fix three tcp sysctls tuning
> >  * tcp: select(writefds) don't hang up when a peer close connection
> >  * tcp: Prevent overzealous packetization by SWS logic.
> >  * udp: add rehash on connect()
> >  * UNIX: Do not loop forever at unix_autobind().
> >  * l2tp: test for ethernet header in l2tp_eth_dev_recv()
> >  * net: blackhole route should always be recalculated
> >  * sparc64: Get rid of indirect p1275 PROM call buffer.
> >  * drivers/net/usb/hso.c: prevent reading uninitialized memory
> >  * drivers/net/cxgb3/cxgb3_main.c: prevent reading uninitialized stack memory
> >  * drivers/net/eql.c: prevent reading uninitialized stack memory
> >  * bonding: correctly process non-linear skbs
> >  * Staging: vt6655: fix buffer overflow
> >  * net/llc: make opt unsigned in llc_ui_setsockopt()
> >  * mm: fix swapin race condition
> >  * mm: further fix swapin race condition
> >  * virtio: console: Prevent userspace from submitting NULL buffers
> >  * virtio: console: Fix poll blocking even though there is data to read
> >  * intel_agp, drm/i915: Add all sandybridge graphics devices support
> >  * agp/intel: fix physical address mask bits for sandybridge
> >  * agp/intel: fix dma mask bits on sandybridge
> >  * hw breakpoints: Fix pid namespace bug
> >  * pid: make setpgid() system call use RCU read-side critical section
> >  * sched: Fix user time incorrectly accounted as system time on 32-bit
> >  * oprofile: Add Support for Intel CPU Family 6 / Model 22 (Intel Celeron 540)
> >  * drm/i915,agp/intel: Add second set of PCI-IDs for B43
> >  * bdi: Initialize noop_backing_dev_info properly
> >  * char: Mark /dev/zero and /dev/kmem as not capable of writeback
> >  * drivers/pci/intel-iommu.c: fix build with older gcc's
> >  * mmap: call unlink_anon_vmas() in __split_vma() in case of error
> >  * drivers/video/sis/sis_main.c: prevent reading uninitialized stack memory
> >  * rtc: s3c: balance state changes of wakeup flag
> >  * Prevent freeing uninitialized pointer in compat_do_readv_writev
> >  * /proc/vmcore: fix seeking
> >  * vmscan: check all_unreclaimable in direct reclaim path
> >  * percpu: fix pcpu_last_unit_cpu
> >  * aio: do not return ERESTARTSYS as a result of AIO
> >  * aio: check for multiplication overflow in do_io_submit
> >  * x86 platform drivers: hp-wmi Reorder event id processing
> >  * GFS2: gfs2_logd should be using interruptible waits
> >  * drm/nv50: initialize ramht_refs list for faked 0 channel
> >  * inotify: send IN_UNMOUNT events
> >  * SCSI: mptsas: fix hangs caused by ATA pass-through
> >  * KVM: Keep slot ID in memory slot structure
> >  * KVM: Prevent internal slots from being COWed
> >  * KVM: MMU: fix direct sp's access corrupted
> >  * KVM: x86: emulator: inc/dec can have lock prefix
> >  * KVM: MMU: fix mmu notifier invalidate handler for huge spte
> >  * KVM: VMX: Fix host GDT.LIMIT corruption
> >  * IA64: fix siglock
> >  * IA64: Optimize ticket spinlocks in fsys_rt_sigprocmask
> >  * KEYS: Fix RCU no-lock warning in keyctl_session_to_parent()
> >  * KEYS: Fix bug in keyctl_session_to_parent() if parent has no session keyring
> >  * xfs: prevent reading uninitialized stack memory
> >  * drivers/video/via/ioctl.c: prevent reading uninitialized stack memory
> >  * AT91: change dma resource index
> >  * PM: Prevent waiting forever on asynchronous resume after failing suspend
> >  * PM / Hibernate: Avoid hitting OOM during preallocation of memory
> >  * x86, asm: Use a lower case name for the end macro in atomic64_386_32.S
> >  * ALSA: hda - Fix beep frequency on IDT 92HD73xx and 92HD71Bxx codecs
> >  * Fix call to replaced SuperIO functions
> >  * dell-wmi: Add support for eject key on Dell Studio 1555
> >  * mm: page allocator: drain per-cpu lists after direct reclaim allocation fails
> >  * mm: page allocator: calculate a better estimate of NR_FREE_PAGES when memory is low and kswapd is awake
> >  * mm: page allocator: update free page counters after pages are placed on the free list
> >  * guard page for stacks that grow upwards
> >  * Fix unprotected access to task credentials in waitid()
> >  * sctp: Do not reset the packet during sctp_packet_config().
> >  * drm/i915: Ensure that the crtcinfo is populated during mode_fixup()
> >  * alpha: Fix printk format errors
> >  * Linux 2.6.35.6
> > 
> > 
> 
> I guess this also will be queued until Maverick has released and then (together
> with 2.6.35.5) get added to the repo (after any day0 update if there is one).
> 
> Note that 2.6.35.5 (as 2.6.32.22) had been introducing a regression for Xen by a
> typo made in the application of the upstream patch:

Thanks for the heads up.  I'll add the fixup for the typo as a
pre-stable patch as it indeed missed 2.6.35.6 but appears will make
2.6.35.7:

https://patchwork.kernel.org/patch/202282/

Thanks,
Leann

> Author: Jeremy Fitzhardinge <jeremy.fitzhardinge at citrix.com>
> Date:   Fri Aug 20 18:57:53 2010 -0700
> 
>     xen: use percpu interrupts for IPIs and VIRQs
> 
>     commit aaca49642b92c8a57d3ca5029a5a94019c7af69f upstream.
> 
> @@ -934,6 +935,16 @@ static struct irq_chip xen_dynamic_chip __read_mostly = {
>         .retrigger      = retrigger_dynirq,
>  };
> 
> +static struct irq_chip en_percpu_chip __read_mostly = {
>                         ^ (x does not mark the spot)
> +       .name           = "xen-percpu",
> +
> +       .disable        = disable_dynirq,
> +       .mask           = disable_dynirq,
> +       .unmask         = enable_dynirq,
> +
> +       .ack            = ack_dynirq,
> +};
> +
>  void __init xen_init_IRQ(void)
>  {
>         int i;
> > 
> 