From: julien.grall@citrix•com (Julien Grall)
To: linux-arm-kernel@lists•infradead.org
Subject: [Xen-devel] [PATCH v3 00/20] xen/arm64: Add support for 64KB page
Date: Fri, 7 Aug 2015 18:11:02 +0100 [thread overview]
Message-ID: <55C4E6A6.3010808@citrix.com> (raw)
In-Reply-To: <1438966019-19322-1-git-send-email-julien.grall@citrix.com>
On 07/08/15 17:46, Julien Grall wrote:
> Hi all,
>
> ARM64 Linux is supporting both 4KB and 64KB page granularity. Although, Xen
> hypercall interface and PV protocol are always based on 4KB page granularity.
>
> Any attempt to boot a Linux guest with 64KB pages enabled will result to a
> guest crash.
>
> This series is a first attempt to allow those Linux running with the current
> hypercall interface and PV protocol.
>
> This solution has been chosen because we want to run Linux 64KB in released
> Xen ARM version or/and platform using an old version of Linux DOM0.
>
> There is room for improvement, such as support of 64KB grant, modification
> of PV protocol to support different page size... They will be explored in a
> separate patch series later.
>
> TODO list:
> - Convert swiotlb to 64KB
> - Convert xenfb to 64KB
> - Check if backend in QEMU works with DOM0 64KB
> - It may be possible to move some common define between
> netback/netfront and blkfront/blkback in an header
>
> All patches has been built tested for ARM32, ARM64, x86. But I haven't tested
> to run it on x86 as I don't have a box with Xen x86 running. I would be
> happy if someone give a try and see possible regression for x86.
>
> A branch based on the latest linux/master can be found here:
Sorry, I forgot to update this bits in the cover letter.
It's based on xentip for-linus-4.3 and depends on "Use correctly the Xen
memory terminologies". The v3 has been sent few minutes ago [1]
>
> git://xenbits.xen.org/people/julieng/linux-arm.git branch xen-64k-v3
>
> Comments, suggestions are welcomed.
>
> Sincerely yours,
[1] http://lists.xen.org/archives/html/xen-devel/2015-08/msg00619.html
--
Julien Grall
next prev parent reply other threads:[~2015-08-07 17:11 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-07 16:46 [PATCH v3 00/20] xen/arm64: Add support for 64KB page Julien Grall
2015-08-07 16:46 ` [PATCH v3 01/20] net/xen-netback: xenvif_gop_frag_copy: move GSO check out of the loop Julien Grall
2015-08-08 13:59 ` Wei Liu
2015-08-07 16:46 ` [PATCH v3 02/20] arm/xen: Drop pte_mfn and mfn_pte Julien Grall
2015-08-10 10:10 ` Stefano Stabellini
2015-08-07 16:46 ` [PATCH v3 03/20] xen: Add Xen specific page definition Julien Grall
2015-08-10 10:46 ` Stefano Stabellini
2015-08-20 9:49 ` [Xen-devel] " David Vrabel
2015-08-07 16:46 ` [PATCH v3 04/20] xen/grant: Introduce helpers to split a page into grant Julien Grall
2015-08-10 10:44 ` Stefano Stabellini
2015-08-20 9:51 ` [Xen-devel] " David Vrabel
2015-08-28 14:29 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 05/20] xen/grant: Add helper gnttab_page_grant_foreign_access_ref_one Julien Grall
2015-08-07 16:46 ` [PATCH v3 06/20] block/xen-blkfront: Split blkif_queue_request in 2 Julien Grall
2015-08-07 16:46 ` [PATCH v3 07/20] block/xen-blkfront: Store a page rather a pfn in the grant structure Julien Grall
2015-08-07 16:46 ` [PATCH v3 08/20] block/xen-blkfront: split get_grant in 2 Julien Grall
2015-08-20 7:33 ` Roger Pau Monné
2015-08-07 16:46 ` [PATCH v3 09/20] xen/biomerge: Don't allow biovec to be merge when Linux is not using 4KB page Julien Grall
2015-08-10 10:50 ` Stefano Stabellini
2015-08-10 11:24 ` [Xen-devel] " Julien Grall
2015-08-10 11:25 ` Stefano Stabellini
2015-08-10 11:32 ` Julien Grall
2015-08-10 12:41 ` David Vrabel
2015-08-07 16:46 ` [PATCH v3 10/20] xen/xenbus: Use Xen page definition Julien Grall
2015-08-07 16:46 ` [PATCH v3 11/20] tty/hvc: xen: Use xen " Julien Grall
2015-08-20 9:55 ` [Xen-devel] " David Vrabel
2015-08-28 15:03 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 12/20] xen/balloon: Don't rely on the page granularity is the same for Xen and Linux Julien Grall
2015-08-10 11:18 ` Stefano Stabellini
2015-08-10 11:31 ` Julien Grall
2015-08-10 12:55 ` Stefano Stabellini
2015-08-10 13:36 ` Julien Grall
2015-08-20 9:59 ` [Xen-devel] " David Vrabel
2015-08-28 15:10 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 13/20] xen/events: fifo: Make it running on 64KB granularity Julien Grall
2015-08-07 16:46 ` [PATCH v3 14/20] xen/grant-table: " Julien Grall
2015-08-07 16:46 ` [PATCH v3 15/20] block/xen-blkfront: Make it running on 64KB page granularity Julien Grall
2015-08-20 8:10 ` Roger Pau Monné
2015-08-28 15:33 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 16/20] block/xen-blkback: " Julien Grall
2015-08-20 8:14 ` Roger Pau Monné
2015-08-07 16:46 ` [PATCH v3 17/20] net/xen-netfront: " Julien Grall
2015-08-20 10:03 ` [Xen-devel] " David Vrabel
2015-08-07 16:46 ` [PATCH v3 18/20] net/xen-netback: " Julien Grall
2015-08-08 14:55 ` Wei Liu
2015-08-10 9:57 ` Julien Grall
2015-08-10 11:39 ` Wei Liu
2015-08-10 12:00 ` Julien Grall
2015-08-07 16:46 ` [PATCH v3 19/20] xen/privcmd: Add support for Linux " Julien Grall
2015-08-10 12:03 ` Stefano Stabellini
2015-08-10 12:14 ` [Xen-devel] " David Vrabel
2015-08-10 12:57 ` Stefano Stabellini
2015-08-10 13:25 ` Julien Grall
2015-09-01 17:10 ` Julien Grall
2015-08-20 10:08 ` [Xen-devel] " David Vrabel
2015-08-07 16:46 ` [PATCH v3 20/20] arm/xen: Add support for " Julien Grall
2015-08-10 12:52 ` Stefano Stabellini
2015-08-07 17:11 ` Julien Grall [this message]
2015-08-20 0:40 ` [Xen-devel] [PATCH v3 00/20] xen/arm64: Add support for 64KB page Julien Grall
2015-08-20 8:15 ` Roger Pau Monné
2015-08-20 10:11 ` David Vrabel
2015-08-20 15:03 ` Julien Grall
2015-08-20 15:15 ` David Vrabel
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