From: julien.grall@citrix.com (Julien Grall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 05/22] xen/grant: Add helper gnttab_page_grant_foreign_access_ref_one
Date: Wed, 30 Sep 2015 11:50:27 +0100 [thread overview]
Message-ID: <560BBE73.3070402@citrix.com> (raw)
In-Reply-To: <1443609937-25278-6-git-send-email-julien.grall@citrix.com>
On 30/09/15 11:45, Julien Grall wrote:
> Many PV drivers contain the idiom:
>
> pfn = page_to_gfn(...) /* Or similar */
> gnttab_grant_foreign_access_ref
>
> Replace it by a new helper. Note that when Linux is using a different
> page granularity than Xen, the helper only gives access to the first 4KB
> grant.
>
> This is useful where drivers are allocating a full Linux page for each
> grant.
>
> Also include xen/interface/grant_table.h rather than xen/grant_table.h in
> asm/page.h for x86 to fix a compilation issue [1]. Only the former is
> useful in order to get the structure definition.
>
> [1] Interdependency between asm/page.h and xen/grant_table.h which result
> to page_mfn not being defined when necessary.
>
> Signed-off-by: Julien Grall <julien.grall@linaro.org>
Hmmm... this should be julien.grall at citrix.com. Still mixing up with my
old address.
I've fixed it in the branch associated to this series.
Regards,
--
Julien Grall
WARNING: multiple messages have this Message-ID (diff)
From: Julien Grall <julien.grall@citrix.com>
To: <xen-devel@lists.xenproject.org>
Cc: <linux-arm-kernel@lists.infradead.org>, <ian.campbell@citrix.com>,
<stefano.stabellini@eu.citrix.com>,
<linux-kernel@vger.kernel.org>,
"Julien Grall" <julien.grall@linaro.org>,
David Vrabel <david.vrabel@citrix.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH v5 05/22] xen/grant: Add helper gnttab_page_grant_foreign_access_ref_one
Date: Wed, 30 Sep 2015 11:50:27 +0100 [thread overview]
Message-ID: <560BBE73.3070402@citrix.com> (raw)
In-Reply-To: <1443609937-25278-6-git-send-email-julien.grall@citrix.com>
On 30/09/15 11:45, Julien Grall wrote:
> Many PV drivers contain the idiom:
>
> pfn = page_to_gfn(...) /* Or similar */
> gnttab_grant_foreign_access_ref
>
> Replace it by a new helper. Note that when Linux is using a different
> page granularity than Xen, the helper only gives access to the first 4KB
> grant.
>
> This is useful where drivers are allocating a full Linux page for each
> grant.
>
> Also include xen/interface/grant_table.h rather than xen/grant_table.h in
> asm/page.h for x86 to fix a compilation issue [1]. Only the former is
> useful in order to get the structure definition.
>
> [1] Interdependency between asm/page.h and xen/grant_table.h which result
> to page_mfn not being defined when necessary.
>
> Signed-off-by: Julien Grall <julien.grall@linaro.org>
Hmmm... this should be julien.grall@citrix.com. Still mixing up with my
old address.
I've fixed it in the branch associated to this series.
Regards,
--
Julien Grall
next prev parent reply other threads:[~2015-09-30 10:50 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-30 10:45 [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 01/22] net/xen-netback: xenvif_gop_frag_copy: move GSO check out of the loop Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 02/22] arm/xen: Drop pte_mfn and mfn_pte Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 03/22] xen: Add Xen specific page definition Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 04/22] xen/grant: Introduce helpers to split a page into grant Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 05/22] xen/grant: Add helper gnttab_page_grant_foreign_access_ref_one Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:50 ` Julien Grall
2015-09-30 10:50 ` Julien Grall [this message]
2015-09-30 10:50 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 06/22] block/xen-blkfront: Split blkif_queue_request in 2 Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 07/22] block/xen-blkfront: Store a page rather a pfn in the grant structure Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 08/22] block/xen-blkfront: split get_grant in 2 Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 09/22] xen/biomerge: Don't allow biovec's to be merged when Linux is not using 4KB pages Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 10/22] xen/xenbus: Use Xen page definition Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 11/22] tty/hvc: xen: Use xen " Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 12/22] xen/balloon: Don't rely on the page granularity is the same for Xen and Linux Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-10-02 14:09 ` David Vrabel
2015-10-02 14:09 ` David Vrabel
2015-10-02 14:09 ` David Vrabel
2015-10-02 14:31 ` Julien Grall
2015-10-02 14:31 ` Julien Grall
2015-10-02 14:52 ` Julien Grall
2015-10-02 14:52 ` Julien Grall
2015-10-02 15:18 ` Boris Ostrovsky
2015-10-02 15:18 ` Boris Ostrovsky
2015-10-02 15:18 ` Boris Ostrovsky
2015-10-02 15:19 ` David Vrabel
2015-10-02 15:19 ` [Xen-devel] " David Vrabel
2015-10-02 15:19 ` David Vrabel
2015-10-02 14:52 ` Julien Grall
2015-10-02 14:31 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 13/22] xen/events: fifo: Make it running on 64KB granularity Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 14/22] xen/grant-table: " Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 15/22] block/xen-blkfront: Make it running on 64KB page granularity Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 16/22] block/xen-blkback: " Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 17/22] net/xen-netfront: " Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 18/22] net/xen-netback: " Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 19/22] xen/privcmd: Add support for Linux " Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 20/22] arm/xen: Add support for " Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 21/22] xen/swiotlb: Pass addresses rather than frame numbers to xen_arch_need_swiotlb Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` [PATCH v5 22/22] xen/swiotlb: Add support for 64KB page granularity Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 10:45 ` Julien Grall
2015-09-30 11:32 ` [PATCH v5 00/22] xen/arm64: Add support for 64KB page in Linux Mark Rutland
2015-09-30 11:32 ` Mark Rutland
2015-09-30 11:45 ` Julien Grall
2015-09-30 11:45 ` Julien Grall
2015-09-30 11:45 ` Julien Grall
2015-09-30 13:04 ` Mark Rutland
2015-09-30 13:04 ` Mark Rutland
2015-09-30 13:04 ` Mark Rutland
2015-09-30 11:32 ` Mark Rutland
2015-10-01 15:15 ` [Xen-devel] " David Vrabel
2015-10-01 15:15 ` David Vrabel
2015-10-02 9:51 ` Ian Campbell
2015-10-02 13:25 ` Boris Ostrovsky
2015-10-02 14:35 ` Konrad Rzeszutek Wilk
2015-10-02 13:25 ` Konrad Rzeszutek Wilk
2015-10-05 16:18 ` Ian Campbell
2015-10-01 15:15 ` David Vrabel
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