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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-12 14:39:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-12 14:39:38 -0700 |
| commit | 778ce723e93ee803ef5883619fe2391e00dbc209 (patch) | |
| tree | 861f03223f34780fecce597b45588118236874d7 /Documentation/admin-guide | |
| parent | Merge tag 'mm-hotfixes-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm (diff) | |
| parent | xen: Kconfig: Fix spelling mistake "Maxmium" -> "Maximum" (diff) | |
| download | linux-dev-778ce723e93ee803ef5883619fe2391e00dbc209.tar.xz linux-dev-778ce723e93ee803ef5883619fe2391e00dbc209.zip | |
Merge tag 'for-linus-6.1-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- Some minor typo fixes
- A fix of the Xen pcifront driver for supporting the device model to
run in a Linux stub domain
- A cleanup of the pcifront driver
- A series to enable grant-based virtio with Xen on x86
- A cleanup of Xen PV guests to distinguish between safe and faulting
MSR accesses
- Two fixes of the Xen gntdev driver
- Two fixes of the new xen grant DMA driver
* tag 'for-linus-6.1-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: Kconfig: Fix spelling mistake "Maxmium" -> "Maximum"
xen/pv: support selecting safe/unsafe msr accesses
xen/pv: refactor msr access functions to support safe and unsafe accesses
xen/pv: fix vendor checks for pmu emulation
xen/pv: add fault recovery control to pmu msr accesses
xen/virtio: enable grant based virtio on x86
xen/virtio: use dom0 as default backend for CONFIG_XEN_VIRTIO_FORCE_GRANT
xen/virtio: restructure xen grant dma setup
xen/pcifront: move xenstore config scanning into sub-function
xen/gntdev: Accommodate VMA splitting
xen/gntdev: Prevent leaking grants
xen/virtio: Fix potential deadlock when accessing xen_grant_dma_devices
xen/virtio: Fix n_pages calculation in xen_grant_dma_map(unmap)_page()
xen/xenbus: Fix spelling mistake "hardward" -> "hardware"
xen-pcifront: Handle missed Connected state
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 69b1533c1f02..a465d5242774 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -6851,6 +6851,12 @@ Crash from Xen panic notifier, without executing late panic() code such as dumping handler. + xen_msr_safe= [X86,XEN] + Format: <bool> + Select whether to always use non-faulting (safe) MSR + access functions when running as Xen PV guest. The + default value is controlled by CONFIG_XEN_PV_MSR_SAFE. + xen_nopvspin [X86,XEN] Disables the qspinlock slowpath using Xen PV optimizations. This parameter is obsoleted by "nopvspin" parameter, which |