From: "Jan Beulich" <JBeulich@suse.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>,
Stefano Stabellini <sstabellini@kernel.org>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
Julien Grall <julien.grall@arm.com>,
Stefano Stabellini <stefanos@xilinx.com>
Subject: Re: [PATCH v2 03/10] xen: extend XEN_DOMCTL_memory_mapping to handle memory policy
Date: Thu, 02 May 2019 09:12:04 -0600 [thread overview]
Message-ID: <5CCB08C4020000780022B59A@prv1-mh.provo.novell.com> (raw)
In-Reply-To: <1556658172-8824-3-git-send-email-sstabellini@kernel.org>
>>> On 30.04.19 at 23:02, <sstabellini@kernel.org> wrote:
> --- a/xen/include/public/domctl.h
> +++ b/xen/include/public/domctl.h
> @@ -571,12 +571,24 @@ struct xen_domctl_bind_pt_irq {
> */
> #define DPCI_ADD_MAPPING 1
> #define DPCI_REMOVE_MAPPING 0
> +/*
> + * Default memory policy. Corresponds to:
> + * Arm: MEMORY_POLICY_ARM_DEV_nGRE
> + * x86: MEMORY_POLICY_X86_UC
> + */
> +#define MEMORY_POLICY_DEFAULT 0
> +/* x86 only. Memory type UNCACHABLE */
> +#define MEMORY_POLICY_X86_UC 0
I'm afraid this may end up misleading, as on NPT and in
shadow mode we use UC- instead of UC afaics. Andrew,
do you have an opinion either way what exactly should
be stated here?
Jan
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WARNING: multiple messages have this Message-ID (diff)
From: "Jan Beulich" <JBeulich@suse.com>
To: "Andrew Cooper" <andrew.cooper3@citrix.com>,
"Stefano Stabellini" <sstabellini@kernel.org>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
Julien Grall <julien.grall@arm.com>,
Stefano Stabellini <stefanos@xilinx.com>
Subject: Re: [Xen-devel] [PATCH v2 03/10] xen: extend XEN_DOMCTL_memory_mapping to handle memory policy
Date: Thu, 02 May 2019 09:12:04 -0600 [thread overview]
Message-ID: <5CCB08C4020000780022B59A@prv1-mh.provo.novell.com> (raw)
Message-ID: <20190502151204.Z1bOdND5UGQbOiNrMinKlGRVhd-Fs6sqgPS61S9VP0w@z> (raw)
In-Reply-To: <1556658172-8824-3-git-send-email-sstabellini@kernel.org>
>>> On 30.04.19 at 23:02, <sstabellini@kernel.org> wrote:
> --- a/xen/include/public/domctl.h
> +++ b/xen/include/public/domctl.h
> @@ -571,12 +571,24 @@ struct xen_domctl_bind_pt_irq {
> */
> #define DPCI_ADD_MAPPING 1
> #define DPCI_REMOVE_MAPPING 0
> +/*
> + * Default memory policy. Corresponds to:
> + * Arm: MEMORY_POLICY_ARM_DEV_nGRE
> + * x86: MEMORY_POLICY_X86_UC
> + */
> +#define MEMORY_POLICY_DEFAULT 0
> +/* x86 only. Memory type UNCACHABLE */
> +#define MEMORY_POLICY_X86_UC 0
I'm afraid this may end up misleading, as on NPT and in
shadow mode we use UC- instead of UC afaics. Andrew,
do you have an opinion either way what exactly should
be stated here?
Jan
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel
next prev parent reply other threads:[~2019-05-02 15:12 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-30 21:02 [PATCH v2 0/10] iomem memory policy Stefano Stabellini
2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini
2019-04-30 21:02 ` [PATCH v2 01/10] xen: add a p2mt parameter to map_mmio_regions Stefano Stabellini
2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini
2019-05-02 14:59 ` Jan Beulich
2019-05-02 14:59 ` [Xen-devel] " Jan Beulich
2019-05-02 18:49 ` Stefano Stabellini
2019-05-02 18:49 ` [Xen-devel] " Stefano Stabellini
2019-05-15 13:39 ` Oleksandr
2019-05-15 13:39 ` [Xen-devel] " Oleksandr
2019-04-30 21:02 ` [PATCH v2 02/10] xen: rename un/map_mmio_regions to un/map_regions Stefano Stabellini
2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini
2019-05-01 9:22 ` Julien Grall
2019-05-01 9:22 ` [Xen-devel] " Julien Grall
2019-06-17 21:24 ` Stefano Stabellini
2019-06-18 11:05 ` Julien Grall
2019-06-18 20:19 ` Stefano Stabellini
2019-05-02 15:03 ` Jan Beulich
2019-05-02 15:03 ` [Xen-devel] " Jan Beulich
2019-05-02 18:55 ` Stefano Stabellini
2019-05-02 18:55 ` [Xen-devel] " Stefano Stabellini
2019-04-30 21:02 ` [PATCH v2 03/10] xen: extend XEN_DOMCTL_memory_mapping to handle memory policy Stefano Stabellini
2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini
2019-05-02 15:12 ` Jan Beulich [this message]
2019-05-02 15:12 ` Jan Beulich
2019-06-17 21:28 ` Stefano Stabellini
2019-06-18 8:59 ` Jan Beulich
2019-06-18 20:32 ` Stefano Stabellini
2019-06-18 23:15 ` Stefano Stabellini
2019-06-19 6:53 ` Jan Beulich
2019-05-07 16:41 ` Julien Grall
2019-05-07 16:41 ` [Xen-devel] " Julien Grall
2019-06-17 22:43 ` Stefano Stabellini
2019-06-18 11:13 ` Julien Grall
2019-05-15 14:40 ` Oleksandr
2019-05-15 14:40 ` [Xen-devel] " Oleksandr
2019-04-30 21:02 ` [PATCH v2 04/10] libxc: introduce xc_domain_mem_map_policy Stefano Stabellini
2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini
2019-04-30 21:02 ` [PATCH v2 05/10] libxl/xl: add memory policy option to iomem Stefano Stabellini
2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini
2019-05-01 9:42 ` Julien Grall
2019-05-01 9:42 ` [Xen-devel] " Julien Grall
2019-06-17 22:32 ` Stefano Stabellini
2019-06-18 11:09 ` Julien Grall
2019-06-18 11:15 ` Julien Grall
2019-06-18 22:07 ` Stefano Stabellini
2019-06-18 22:20 ` Julien Grall
2019-06-18 22:46 ` Stefano Stabellini
2019-04-30 21:02 ` [PATCH v2 06/10] xen/arm: extend device_tree_for_each_node Stefano Stabellini
2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini
2019-05-07 17:12 ` Julien Grall
2019-05-07 17:12 ` [Xen-devel] " Julien Grall
2019-04-30 21:02 ` [PATCH v2 07/10] xen/arm: make process_memory_node a device_tree_node_func Stefano Stabellini
2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini
2019-05-01 9:47 ` Julien Grall
2019-05-01 9:47 ` [Xen-devel] " Julien Grall
2019-04-30 21:02 ` [PATCH v2 08/10] xen/arm: keep track of reserved-memory regions Stefano Stabellini
2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini
2019-05-01 10:03 ` Julien Grall
2019-05-01 10:03 ` [Xen-devel] " Julien Grall
2019-06-21 23:47 ` Stefano Stabellini
2019-05-07 17:21 ` Julien Grall
2019-05-07 17:21 ` [Xen-devel] " Julien Grall
2019-04-30 21:02 ` [PATCH v2 09/10] xen/arm: map reserved-memory regions as normal memory in dom0 Stefano Stabellini
2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini
2019-05-07 19:52 ` Julien Grall
2019-05-07 19:52 ` [Xen-devel] " Julien Grall
2019-04-30 21:02 ` [PATCH v2 10/10] xen/arm: add reserved-memory regions to the dom0 memory node Stefano Stabellini
2019-04-30 21:02 ` [Xen-devel] " Stefano Stabellini
2019-05-07 20:15 ` Julien Grall
2019-05-07 20:15 ` [Xen-devel] " Julien Grall
2019-05-10 20:51 ` Stefano Stabellini
2019-05-10 20:51 ` [Xen-devel] " Stefano Stabellini
2019-05-10 21:43 ` Julien Grall
2019-05-10 21:43 ` [Xen-devel] " Julien Grall
2019-05-11 12:40 ` Julien Grall
2019-05-11 12:40 ` [Xen-devel] " Julien Grall
2019-05-20 21:26 ` Stefano Stabellini
2019-05-20 21:26 ` [Xen-devel] " Stefano Stabellini
2019-05-20 22:38 ` Julien Grall
2019-05-20 22:38 ` [Xen-devel] " Julien Grall
2019-06-05 16:30 ` Julien Grall
2019-06-21 23:47 ` Stefano Stabellini
2019-05-16 16:52 ` [PATCH v2 0/10] iomem memory policy Oleksandr
2019-05-16 16:52 ` [Xen-devel] " Oleksandr
2019-06-21 23:48 ` Stefano Stabellini
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