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Mon, 24 Aug 2020 17:40:32 +0000 From: Michael Kelley To: Greg KH CC: "will@kernel.org" , "ardb@kernel.org" , "arnd@arndb.de" , "catalin.marinas@arm.com" , "Mark.Rutland@arm.com" , "maz@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-hyperv@vger.kernel.org" , "linux-efi@vger.kernel.org" , "linux-arch@vger.kernel.org" , "wei.liu@kernel.org" , vkuznets , KY Srinivasan , Sunil Muthuswamy , "boqun.feng@gmail.com" Subject: RE: [PATCH v7 09/10] arm64: efi: Export screen_info Thread-Topic: [PATCH v7 09/10] arm64: efi: Export screen_info Thread-Index: AQHWejZWC3GY08nqAkGtdhnMB8m42qlHhV4AgAAAZtA= Date: Mon, 24 Aug 2020 17:40:32 +0000 Message-ID: References: <1598287583-71762-1-git-send-email-mikelley@microsoft.com> <1598287583-71762-10-git-send-email-mikelley@microsoft.com> <20200824173502.GA1161855@kroah.com> In-Reply-To: <20200824173502.GA1161855@kroah.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=true; 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x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: oyii6JwTPczUyjKXdyEZ4qD5HWHGsMDnmAO9SokBIk2NXGCx7oEnQflj+cREhSfIb60gcstMa2WYyCadfnj2h0S3+hA5Jl9OGBbjD6NzBnILimjH0TX9QLGMSiXHiV74wgA+Mx3zc3oZ1Za6JA+wcPZMla2vbPNI1mdF7Mkh/FuoAxUgxQtE993fBNMLhrEL5nW0EdrvvdvSzeBhFQdMM2FsLFGhpEXcHmevPP3GnWFFs7qtRHuzynSCevN7/O0YWchoITgT1BVrcm5v++b5jpl6B5/qQN36RFVh+21uHW2dgmDQWtnAshwWsQ7BXH/SDovybD8L7e6INgCraLp+aw== x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MW2PR2101MB1052.namprd21.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(396003)(376002)(346002)(366004)(39860400002)(136003)(6916009)(26005)(55016002)(186003)(10290500003)(7416002)(4326008)(7696005)(9686003)(54906003)(316002)(71200400001)(2906002)(82960400001)(6506007)(5660300002)(8936002)(86362001)(66476007)(64756008)(66446008)(66556008)(83380400001)(82950400001)(66946007)(8676002)(8990500004)(76116006)(33656002)(52536014)(478600001);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata: 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW2PR2101MB1052.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 827e11d4-b56b-4fdf-53a5-08d84854ccc4 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Aug 2020 17:40:32.1597 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: j4VGhdjEe24ZrKlgAYmYbidXg+qWexJ6Rl5RTGg5jkhKUtkaEZABKtDIg03/TJ3IS0w0UMt/hPLY1gMnclniTRZWof/PCRLyCgYvlJhN5A4= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR2101MB1849 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Greg KH Sent: Monday, August 24, 2020 10= :35 AM >=20 > On Mon, Aug 24, 2020 at 09:46:22AM -0700, Michael Kelley wrote: > > The Hyper-V frame buffer driver may be built as a module, and > > it needs access to screen_info. So export screen_info. > > > > Signed-off-by: Michael Kelley > > --- > > arch/arm64/kernel/efi.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c > > index d0cf596..8ff557a 100644 > > --- a/arch/arm64/kernel/efi.c > > +++ b/arch/arm64/kernel/efi.c > > @@ -55,6 +55,7 @@ static __init pteval_t > create_mapping_protection(efi_memory_desc_t *md) > > > > /* we will fill this structure from the stub, so don't put it in .bss = */ > > struct screen_info screen_info __section(.data); > > +EXPORT_SYMBOL(screen_info); >=20 > EXPORT_SYMBOL_GPL()? >=20 > I have to ask :) It's also just EXPORT_SYMBOL(screen_info) in the x86, PowerPC, and Alpha architectures. I know that doesn't guarantee it's right, but I'll have to d= efer to the appropriate subsystem maintainers for whether it really should be EXPORT_SYMBOL_GPL. 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Greg KH Sent: Monday, August 24, 2020 10:35 AM > > On Mon, Aug 24, 2020 at 09:46:22AM -0700, Michael Kelley wrote: > > The Hyper-V frame buffer driver may be built as a module, and > > it needs access to screen_info. So export screen_info. > > > > Signed-off-by: Michael Kelley > > --- > > arch/arm64/kernel/efi.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c > > index d0cf596..8ff557a 100644 > > --- a/arch/arm64/kernel/efi.c > > +++ b/arch/arm64/kernel/efi.c > > @@ -55,6 +55,7 @@ static __init pteval_t > create_mapping_protection(efi_memory_desc_t *md) > > > > /* we will fill this structure from the stub, so don't put it in .bss */ > > struct screen_info screen_info __section(.data); > > +EXPORT_SYMBOL(screen_info); > > EXPORT_SYMBOL_GPL()? > > I have to ask :) It's also just EXPORT_SYMBOL(screen_info) in the x86, PowerPC, and Alpha architectures. I know that doesn't guarantee it's right, but I'll have to defer to the appropriate subsystem maintainers for whether it really should be EXPORT_SYMBOL_GPL. Michael > > thanks, > > greg k-h _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel