All of lore.kernel.org
 help / color / mirror / Atom feed
From: Peng Fan <peng.fan@nxp.com>
To: "sstabellini@kernel.org" <sstabellini@kernel.org>,
	"linux@armlinux.org.uk" <linux@armlinux.org.uk>
Cc: dl-linux-imx <linux-imx@nxp.com>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"van.freenix@gmail.com" <van.freenix@gmail.com>
Subject: RE: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64
Date: Tue, 23 Jul 2019 03:21:14 +0000	[thread overview]
Message-ID: <AM0PR04MB448135E1B2C85F0B6029F7B788C70@AM0PR04MB4481.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20190709083729.11135-1-peng.fan@nxp.com>

Hi Russell, Stefano

> Subject: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64

Any comments?

> 
> arm64 shares some code under arch/arm/xen, including mm.c.
> However ZONE_DMA is removed by commit
> ad67f5a6545("arm64: replace ZONE_DMA with ZONE_DMA32").
> So to ARM64, need use __GFP_DMA32.
> 
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
>  arch/arm/xen/mm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index
> e1d44b903dfc..a95e76d18bf9 100644
> --- a/arch/arm/xen/mm.c
> +++ b/arch/arm/xen/mm.c
> @@ -27,7 +27,7 @@ unsigned long xen_get_swiotlb_free_pages(unsigned int
> order)
> 
>  	for_each_memblock(memory, reg) {
>  		if (reg->base < (phys_addr_t)0xffffffff) {
> -			flags |= __GFP_DMA;
> +			flags |= __GFP_DMA | __GFP_DMA32;
>  			break;
>  		}
>  	}

Thanks,
Peng.

> --
> 2.16.4


WARNING: multiple messages have this Message-ID

From: Peng Fan <peng.fan@nxp.com>
To: "sstabellini@kernel.org" <sstabellini@kernel.org>,
	"linux@armlinux.org.uk" <linux@armlinux.org.uk>
Cc: "van.freenix@gmail.com" <van.freenix@gmail.com>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	dl-linux-imx <linux-imx@nxp.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64
Date: Tue, 23 Jul 2019 03:21:14 +0000	[thread overview]
Message-ID: <AM0PR04MB448135E1B2C85F0B6029F7B788C70@AM0PR04MB4481.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20190709083729.11135-1-peng.fan@nxp.com>

Hi Russell, Stefano

> Subject: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64

Any comments?

> 
> arm64 shares some code under arch/arm/xen, including mm.c.
> However ZONE_DMA is removed by commit
> ad67f5a6545("arm64: replace ZONE_DMA with ZONE_DMA32").
> So to ARM64, need use __GFP_DMA32.
> 
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
>  arch/arm/xen/mm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index
> e1d44b903dfc..a95e76d18bf9 100644
> --- a/arch/arm/xen/mm.c
> +++ b/arch/arm/xen/mm.c
> @@ -27,7 +27,7 @@ unsigned long xen_get_swiotlb_free_pages(unsigned int
> order)
> 
>  	for_each_memblock(memory, reg) {
>  		if (reg->base < (phys_addr_t)0xffffffff) {
> -			flags |= __GFP_DMA;
> +			flags |= __GFP_DMA | __GFP_DMA32;
>  			break;
>  		}
>  	}

Thanks,
Peng.

> --
> 2.16.4


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID

From: Peng Fan <peng.fan@nxp.com>
To: "sstabellini@kernel.org" <sstabellini@kernel.org>,
	"linux@armlinux.org.uk" <linux@armlinux.org.uk>
Cc: "van.freenix@gmail.com" <van.freenix@gmail.com>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	dl-linux-imx <linux-imx@nxp.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [Xen-devel] [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64
Date: Tue, 23 Jul 2019 03:21:14 +0000	[thread overview]
Message-ID: <AM0PR04MB448135E1B2C85F0B6029F7B788C70@AM0PR04MB4481.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20190709083729.11135-1-peng.fan@nxp.com>

Hi Russell, Stefano

> Subject: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64

Any comments?

> 
> arm64 shares some code under arch/arm/xen, including mm.c.
> However ZONE_DMA is removed by commit
> ad67f5a6545("arm64: replace ZONE_DMA with ZONE_DMA32").
> So to ARM64, need use __GFP_DMA32.
> 
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
>  arch/arm/xen/mm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index
> e1d44b903dfc..a95e76d18bf9 100644
> --- a/arch/arm/xen/mm.c
> +++ b/arch/arm/xen/mm.c
> @@ -27,7 +27,7 @@ unsigned long xen_get_swiotlb_free_pages(unsigned int
> order)
> 
>  	for_each_memblock(memory, reg) {
>  		if (reg->base < (phys_addr_t)0xffffffff) {
> -			flags |= __GFP_DMA;
> +			flags |= __GFP_DMA | __GFP_DMA32;
>  			break;
>  		}
>  	}

Thanks,
Peng.

> --
> 2.16.4


_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

  reply	other threads:[~2019-07-23  3:21 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-09  8:22 Peng Fan
2019-07-09  8:22 ` [Xen-devel] " Peng Fan
2019-07-09  8:22 ` Peng Fan
2019-07-23  3:21 ` Peng Fan [this message]
2019-07-23  3:21   ` [Xen-devel] " Peng Fan
2019-07-23  3:21   ` Peng Fan
2019-08-27  9:27   ` Peng Fan
2019-08-27  9:27     ` [Xen-devel] " Peng Fan
2019-08-27  9:27     ` Peng Fan
2019-08-27  9:45     ` Russell King - ARM Linux admin
2019-08-27  9:45       ` [Xen-devel] " Russell King - ARM Linux admin
2019-08-27  9:45       ` Russell King - ARM Linux admin
2019-08-27 12:23 ` Robin Murphy
2019-08-27 12:23   ` [Xen-devel] " Robin Murphy
2019-08-27 12:23   ` Robin Murphy
2019-08-28  1:48   ` Peng Fan
2019-08-28  1:48     ` [Xen-devel] " Peng Fan
2019-08-28  1:48     ` Peng Fan
2019-08-28 18:09     ` Stefano Stabellini
2019-08-28 18:09       ` [Xen-devel] " Stefano Stabellini
2019-08-28 18:09       ` Stefano Stabellini
2019-08-29  2:46       ` Peng Fan
2019-08-29  2:46         ` [Xen-devel] " Peng Fan
2019-08-29  2:46         ` Peng Fan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=AM0PR04MB448135E1B2C85F0B6029F7B788C70@AM0PR04MB4481.eurprd04.prod.outlook.com \
    --to=peng.fan@nxp.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-imx@nxp.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@armlinux.org.uk \
    --cc=sstabellini@kernel.org \
    --cc=van.freenix@gmail.com \
    --cc=xen-devel@lists.xenproject.org \
    --subject='RE: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.