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DIR:OUT; SFP:1101; SCL:1; SRVR:AM0PR04MB6291; H:AM0PR04MB4481.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: duFuzaG8BXU1w9kvD1sB/VxKZd2tdZLi8Vpk11QXgy3x7NbdXAI431GwYvlY1Rps3uMl/T7+QOTSll4qkuaPRZ+/X7myFvNHUIo9vMv2aru0IcKb/QQHGEjCCl4M5gw+kjhw3Ws+vREUwn9lvE6Ms+dj79EhtcIgJVZZMXKbjwR6cCDfo/ai6R/A669U8956xXozSb+GVLUIWjpJCveB/BJfVBzKJi56DcQ7wKC8gGIWqEG022lMN8ZDc45Ky0D80vmzTu8ALM915n5xUXTUPHVbTteSKJBZJhSMOstVOnuiuhlOwGEI0OyxHdZ7rZqtIkjv1FQ2NsjeWycMJPqFwICtgXqlttnNGMsOGU5IWn2HN4k9WVe53mEDHy+nwjXsPrdFvbYFGB5h9qJzjDCaebIPgy8ku5ubGguXElyvwD4= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3ee84b63-a69a-4742-4102-08d72cf1c5c2 X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Aug 2019 02:28:41.5335 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: OhnWXYbjB7mW7NrJOCXPTqWe5Oc7ZC65iD3r3bd8OswenBirSpNZnTWLvGBK6ADNX7981PRV223XgyV/ZRcWPg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB6291 Subject: [Xen-devel] [PATCH V2] arm: xen: mm: use __GPF_DMA32 for arm64 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "xen-devel@lists.xenproject.org" , Peng Fan , dl-linux-imx , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Peng Fan 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 introduce xen_set_gfp_dma for arm32/arm64 and using __GFP_DMA for the former and __GFP_DMA32 for the latter. Signed-off-by: Peng Fan --- V2: Follow suggestion from Stefano, introduce static inline void xen_set_gfp_dma(gfp_t *flags) for arm32/arm64= , and for arm64 using __GFP_DMA for the former and __GFP_DMA32 for the latter. arch/arm/include/asm/xen/page.h | 5 +++++ arch/arm/xen/mm.c | 2 +- arch/arm64/include/asm/xen/page.h | 5 +++++ 3 files changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/pag= e.h index 31bbc803cecb..d08309c45e6c 100644 --- a/arch/arm/include/asm/xen/page.h +++ b/arch/arm/include/asm/xen/page.h @@ -1 +1,6 @@ #include + +static inline void xen_set_gfp_dma(gfp_t *flags) +{ + *flags |=3D __GFP_DMA; +} diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index d33b77e9add3..828f49dc95f9 100644 --- a/arch/arm/xen/mm.c +++ b/arch/arm/xen/mm.c @@ -28,7 +28,7 @@ unsigned long xen_get_swiotlb_free_pages(unsigned int ord= er) =20 for_each_memblock(memory, reg) { if (reg->base < (phys_addr_t)0xffffffff) { - flags |=3D __GFP_DMA; + xen_set_gfp_dma(&flags); break; } } diff --git a/arch/arm64/include/asm/xen/page.h b/arch/arm64/include/asm/xen= /page.h index 31bbc803cecb..5eeabf2c6494 100644 --- a/arch/arm64/include/asm/xen/page.h +++ b/arch/arm64/include/asm/xen/page.h @@ -1 +1,6 @@ #include + +static inline void xen_set_gfp_dma(gfp_t *flags) +{ + *flags |=3D __GFP_DMA32; +} --=20 2.16.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel