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(parent: d7f95dd) | patch
x86/xen: Add a no_vector_callback option to test PCI INTX delivery
authorDavid Woodhouse <dwmw@amazon.co.uk>
Thu, 24 Dec 2020 11:34:52 +0000 (11:34 +0000)
committerDavid Woodhouse <dwmw@amazon.co.uk>
Tue, 5 Jan 2021 23:31:25 +0000 (23:31 +0000)
commitef3be1ce09fe5dd770fcd888880b5c89ae34c387
treea3f1c04f754545c0150cf671c26f3b573555233ctree
parentd7f95dd6ed0d599efa06077403c3453096124deacommit | diff
x86/xen: Add a no_vector_callback option to test PCI INTX delivery

It's useful to be able to test non-vector event channel delivery, to make
sure Linux will work properly on older Xen which doesn't have it.

It's also useful for those working on Xen and Xen-compatible hypervisors,
because there are guest kernels still in active use which use PCI INTX
even when vector delivery is available.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Documentation/admin-guide/kernel-parameters.txt diff | blob | history
arch/x86/xen/enlighten_hvm.c diff | blob | history
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