diff for duplicates of <1225914634.26835.102.camel@localhost.localdomain> diff --git a/a/1.txt b/N1/1.txt index a5cd5f7..0c76e16 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -5,8 +5,8 @@ On Wed, 2008-11-05 at 23:16 +1100, Rusty Russell wrote: > > trying it on ppc32.) > > > > I'm seeing a problem with virtio. I think at least part of it can be -> > explained by qemu's TARGET_PAGE_BITS=12, and the guest's -> > PAGE_SHIFT=16. The guest allocates the queue, then passes the pfn (pa +> > explained by qemu's TARGET_PAGE_BITS==12, and the guest's +> > PAGE_SHIFT==16. The guest allocates the queue, then passes the pfn (pa > > > > >> PAGE_SHIFT) to the virtio backend (vp_find_vq()). The backend then > > @@ -40,7 +40,7 @@ contained completely within a single guest mapping is OK and work up a patch. It's worth noting that the PFN_SHIFT question (in the other thread) is a -separate issue. I could have PFN_SHIFT\x10 but define VRING_PAGE_SIZE=4K +separate issue. I could have PFN_SHIFT=10 but define VRING_PAGE_SIZE=4K for internal alignment. I'm a little nervous about making PPC the only arch with VRING_PAGE_SIZE=1K, since that might affect my vring layout in "unusual" ways if it expands beyond 1K but stays inside 4K. @@ -48,3 +48,8 @@ arch with VRING_PAGE_SIZE=1K, since that might affect my vring layout in -- Hollis Blanchard IBM Linux Technology Center + +-- +To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in +the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org +More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/a/content_digest b/N1/content_digest index 28d9f03..441c9c2 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -1,9 +1,9 @@ "ref\01225836860.15410.32.camel@localhost.localdomain\0" "ref\0200811052316.47127.rusty@rustcorp.com.au\0" "ref\0200811052316.47127.rusty-8n+1lVoiYb80n/F98K4Iww@public.gmane.org\0" - "From\0Hollis Blanchard <hollisb@us.ibm.com>\0" + "From\0Hollis Blanchard <hollisb-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>\0" "Subject\0Re: large page size virtio issues\0" - "Date\0Wed, 05 Nov 2008 19:50:34 +0000\0" + "Date\0Wed, 05 Nov 2008 13:50:34 -0600\0" "To\0Rusty Russell <rusty-8n+1lVoiYb80n/F98K4Iww@public.gmane.org>\0" "Cc\0kvm-ppc <kvm-ppc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>" Anthony Liguori <aliguori-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org> @@ -17,8 +17,8 @@ "> > trying it on ppc32.)\n" "> >\n" "> > I'm seeing a problem with virtio. I think at least part of it can be\n" - "> > explained by qemu's TARGET_PAGE_BITS=12, and the guest's\n" - "> > PAGE_SHIFT=16. The guest allocates the queue, then passes the pfn (pa\n" + "> > explained by qemu's TARGET_PAGE_BITS==12, and the guest's\n" + "> > PAGE_SHIFT==16. The guest allocates the queue, then passes the pfn (pa\n" "> >\n" "> > >> PAGE_SHIFT) to the virtio backend (vp_find_vq()). The backend then\n" "> >\n" @@ -52,13 +52,18 @@ "patch.\n" "\n" "It's worth noting that the PFN_SHIFT question (in the other thread) is a\n" - "separate issue. I could have PFN_SHIFT\020 but define VRING_PAGE_SIZE=4K\n" + "separate issue. I could have PFN_SHIFT=10 but define VRING_PAGE_SIZE=4K\n" "for internal alignment. I'm a little nervous about making PPC the only\n" "arch with VRING_PAGE_SIZE=1K, since that might affect my vring layout in\n" "\"unusual\" ways if it expands beyond 1K but stays inside 4K.\n" "\n" "-- \n" "Hollis Blanchard\n" - IBM Linux Technology Center + "IBM Linux Technology Center\n" + "\n" + "--\n" + "To unsubscribe from this list: send the line \"unsubscribe kvm-ppc\" in\n" + "the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org\n" + More majordomo info at http://vger.kernel.org/majordomo-info.html -8102035aedab30fa1027cbd08e55d0085561c9351f508eaa5151ed7288e4a9d4 +bf07c7555fca73c66a63fa7ffafc85abac532258183ad19a29bb03892f0a90b0
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