Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1428816
| From | Paolo Bonzini <pbonzini@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] kvm, x86: Properly check whether a pfn is an MMIO or not |
| Date | 2016-06-22 15:50 +0200 |
| Message-ID | <rMQHw-47X-29@gated-at.bofh.it> (permalink) |
| References | <rMGf7-5Rv-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 22/06/2016 04:34, KarimAllah Ahmed wrote: > pfn_valid check is not sufficient because it only checks if a page has a struct > page or not, if for example "mem=" was passed to the kernel some valid pages > won't have a struct page. This means that if guests were assigned valid memory > that lies after the mem= boundary it will be passed uncached to the guest no > matter what the guest caching attributes are for this memory. How can you pass memory after the mem= boundary to the guest? Paolo
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH] kvm, x86: Properly check whether a pfn is an MMIO or not KarimAllah Ahmed <karahmed@amazon.de> - 2016-06-22 04:40 +0200
Re: [PATCH] kvm, x86: Properly check whether a pfn is an MMIO or not Paolo Bonzini <pbonzini@redhat.com> - 2016-06-22 15:50 +0200
Re: [PATCH] kvm, x86: Properly check whether a pfn is an MMIO or not "Raslan, KarimAllah" <karahmed@amazon.de> - 2016-06-22 16:20 +0200
csiph-web