Re: [Xen-devel] Features and bug fixes for Linux kernel 3.2.

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Fri, Oct 14, 2011 at 02:06:04PM +0200, Igor Mammedov wrote:
> On 10/13/2011 09:09 PM, Konrad Rzeszutek Wilk wrote:
> >Hey,
> >
> >Please keep in mind that there is some outstanding work going on which
> >could make it in 3.2 depending on when the merge window opens. I will
> >enumerate those in the next email.
> >
> >Anyhow, for 3.2 Linux kernel we have these items loaded and ready to go:
> >
> >  - A new mechanism to parse the E820 resulting in better ballooning.
> >  - hwclock support. Meaning you can do 'date XX' and it will be saved by 
> > machine.
> >  - Support for PCI multi-segmented machines (big big iron boxes)
> >  - Optimizations in DMA API.
> >  - "feature-barrier" in the xen-blkback so that older kernels (SLES10)
> >    can issue those.
> >  - "feature-discard" so that TRIM/SCSI UNMAP operations can be utilized.
> >  - kexec/kdump support for PVonHVM.
> >  - Cleanups in the code (mostly scripts/cleanpatch.pl)
> >  - Static analyzer (smatch) run results fixing bugs.
> >  - Tons of bug fixes.
> >
> >If you think I missed something - please please email me immediately.
> >
> >
> >The list is as follow.
> >
> >Dan Carpenter (1):
> >       xen/pciback: double lock typo
> >
> >David Vrabel (9):
> >       xen/balloon: account for pages released during memory setup
> >       xen/balloon: simplify test for the end of usable RAM
> >       xen: allow balloon driver to use more than one memory region
> >       xen: allow extra memory to be in multiple regions
> >       xen: release all pages within 1-1 p2m mappings
> >       xen: use generic functions instead of xen_{alloc, free}_vm_area()
> >       block: xen-blkback: use API provided by xenbus module to map rings
> >       net: xen-netback: use API provided by xenbus module to map rings
> >       xen: map foreign pages for shared rings by updating the PTEs directly
> >
> >Jan Beulich (5):
> >       xen/pci: make bus notifier handler return sane values
> >       xen/pciback: use mutex rather than spinlock in passthrough backend
> >       xen/pciback: miscellaneous adjustments
> >       xen/pci: support multi-segment systems
> >       xen-blkback: use kzalloc() in favor of kmalloc()+memset()
> >
> >Jeremy Fitzhardinge (2):
> >       xen: add dom0_op hypercall
> >       xen/dom0: set wallclock time in Xen
> >
> >Joe Jin (1):
> >       xen-blkback: fixed indentation and comments
> >
> >Konrad Rzeszutek Wilk (24):
> >       Revert "xen/debug: WARN_ON when identity PFN has no _PAGE_IOMAP flag 
> > set."
> >       xen-pcifront: Update warning comment to use 'e820_host' option.
> >       xen-swiotlb: Retry up three times to allocate Xen-SWIOTLB
> >       xen-swiotlb: Fix wrong panic.
> >       xen-swiotlb: When doing coherent alloc/dealloc check before swizzling 
> > the MFNs.
> >       xen/pciback: Use mutexes when working with Xenbus state transitions.
> >       xen/pciback: use mutex rather than spinlock in vpci backend
> >       xen/p2m: Make debug/xen/mmu/p2m visible again.
> >       xen/p2m: Use SetPagePrivate and its friends for M2P overrides.
> >       x86/paravirt: Partially revert "remove lazy mode in interrupts"
> 
> Have You meant ^^^ "x86/paravirt: PTE updates in k(un)map_atomic need to be 
> synchronous, regardless of lazy_mmu mode" there?

Ah, yes, and I believe that patch is actually carried by Andrew Morton,
so let me drop it here.

Thanks for spotting that!

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