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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-12 13:20:28 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-12 13:20:28 (GMT) |
commit | ccff9b1db693062b0a9c9070f4304deb47ef215c (patch) | |
tree | a956cc800a03f11254105fbd9926bab537b6863f /fs/minix/namei.c | |
parent | 3dc329baa2ed1740036183041cefaf8ceb714038 (diff) | |
parent | cb6b6df111e46b9d0f79eb971575fd50555f43f4 (diff) | |
download | linux-fsl-qoriq-ccff9b1db693062b0a9c9070f4304deb47ef215c.tar.xz |
Merge tag 'stable/for-linus-3.7-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen fixes from Konrad Rzeszutek Wilk:
"This has four bug-fixes and one tiny feature that I forgot to put
initially in my tree due to oversight.
The feature is for kdump kernels to speed up the /proc/vmcore reading.
There is a ram_is_pfn helper function that the different platforms can
register for. We are now doing that.
The bug-fixes cover some embarrassing struct pv_cpu_ops variables
being set to NULL on Xen (but not baremetal). We had a similar issue
in the past with {write|read}_msr_safe and this fills the three
missing ones. The other bug-fix is to make the console output (hvc)
be capable of dealing with misbehaving backends and not fall flat on
its face. Lastly, a quirk for older XenBus implementations that came
with an ancient v3.4 hypervisor (so RHEL5 based) - reading of certain
non-existent attributes just hangs the guest during bootup - so we
take precaution of not doing that on such older installations.
Feature:
- Register a pfn_is_ram helper to speed up reading of /proc/vmcore.
Bug-fixes:
- Three pvops call for Xen were undefined causing BUG_ONs.
- Add a quirk so that the shutdown watches (used by kdump) are not
used with older Xen (3.4).
- Fix ungraceful state transition for the HVC console."
* tag 'stable/for-linus-3.7-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/pv-on-hvm kexec: add quirk for Xen 3.4 and shutdown watches.
xen/bootup: allow {read|write}_cr8 pvops call.
xen/bootup: allow read_tscp call for Xen PV guests.
xen pv-on-hvm: add pfn_is_ram helper for kdump
xen/hvc: handle backend CLOSED without CLOSING
Diffstat (limited to 'fs/minix/namei.c')
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