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Groups > linux.kernel > #1641744
| Path | csiph.com!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| From | Juergen Gross <jgross@suse.com> |
| Newsgroups | linux.kernel |
| Subject | Re: Support of lguest? |
| Date | Mon, 15 May 2017 16:30:02 +0200 |
| Message-ID | <tHpay-Ra-23@gated-at.bofh.it> (permalink) |
| References | <tHoRb-KQ-13@gated-at.bofh.it> <tHpay-Ra-25@gated-at.bofh.it> |
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| X-Mailing-List | linux-kernel@vger.kernel.org |
| Approved | robomod@news.nic.it |
| Lines | 23 |
| Organization | linux.* mail to news gateway |
| X-Original-Cc | Rusty Russell <rusty@rustcorp.com.au>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, virtualization@lists.linux-foundation.org, xen-devel <xen-devel@lists.xenproject.org>, lguest@lists.ozlabs.org |
| X-Original-Date | Mon, 15 May 2017 16:24:24 +0200 |
| X-Original-Message-ID | <50f4d2ff-3028-990c-b9c9-f85ad2a3c7e9@suse.com> |
| X-Original-References | <7696c3d8-0ede-2704-34bb-d3d7dac6883d@suse.com> <87r2zqi4iz.fsf@vitty.brq.redhat.com> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1641744 |
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On 15/05/17 16:22, Vitaly Kuznetsov wrote: > Juergen Gross <jgross@suse.com> writes: > >> Lguest and Xen pv-guests are the only users of pv_mmu_ops (with the >> one exception of the .exit_mmap member, which is being used by Xen >> HVM-guests, too). >> >> As it is possible now to build a kernel without Xen pv-guest support >> while keeping PVH and PVHVM support, I thought about putting most >> pv_mmu_ops functions in #ifdef CONFIG_XEN_HAS_PVMMU sections. > > There is an ongoing work to enable PV TLB flushing for Hyper-V guests: > http://driverdev.linuxdriverproject.org/pipermail/driverdev-devel/2017-April/104411.html > > it utilizes .flush_tlb_others member in pv_mmu_ops. > > hopefully, this work will be merged in 4.13. Thanks for the information. I'll keep .flush_tlb_others member outside the #ifdef section. Juergen
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Support of lguest? Juergen Gross <jgross@suse.com> - 2017-05-15 16:10 +0200 Re: Support of lguest? Juergen Gross <jgross@suse.com> - 2017-05-15 16:30 +0200 Re: Support of lguest? Vitaly Kuznetsov <vkuznets@redhat.com> - 2017-05-15 16:30 +0200
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