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Rao" , Li Zhengyu , Palmer Dabbelt CC: Stephen Rothwell , "kexec@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Eric Biederman , "kernel@pengutronix.de" , Andrew Morton , "linuxppc-dev@lists.ozlabs.org" , "linux-riscv@lists.infradead.org" Subject: Re: [PATCH v2] kexec_file: Drop weak attribute from arch_kexec_apply_relocations[_add] Thread-Topic: [PATCH v2] kexec_file: Drop weak attribute from arch_kexec_apply_relocations[_add] Thread-Index: AQHYa2DJJ1srP4hlKkGl6GVmMrev4K01e7mAgAAviYA= Date: Sun, 29 May 2022 09:46:47 +0000 Message-ID: <264786d9-7756-19e0-2742-8b8d17f5ace5@csgroup.eu> References: <20220519091237.676736-1-naveen.n.rao@linux.vnet.ibm.com> <20220529065637.xgapqjp2342flbuj@pengutronix.de> In-Reply-To: <20220529065637.xgapqjp2342flbuj@pengutronix.de> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=csgroup.eu; 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charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org DQoNCkxlIDI5LzA1LzIwMjIgw6AgMDg6NTYsIFV3ZSBLbGVpbmUtS8O2bmlnIGEgw6ljcml0wqA6 DQo+IEhlbGxvLA0KPiANCj4gb24gY3VycmVudCBsaW51eC1uZXh0IEFSQ0g9cmlzY3YgYWxsbW9k Y29uZmlnIGJyZWFrcyB3aXRoOg0KPiANCj4gICAgQ0MgICAgICBhcmNoL3Jpc2N2L2tlcm5lbC9l bGZfa2V4ZWMubw0KPiBhcmNoL3Jpc2N2L2tlcm5lbC9lbGZfa2V4ZWMuYzozNDU6NTogZXJyb3I6 IHJlZGVmaW5pdGlvbiBvZiDigJhhcmNoX2tleGVjX2FwcGx5X3JlbG9jYXRpb25zX2FkZOKAmQ0K PiAgICAzNDUgfCBpbnQgYXJjaF9rZXhlY19hcHBseV9yZWxvY2F0aW9uc19hZGQoc3RydWN0IHB1 cmdhdG9yeV9pbmZvICpwaSwNCj4gICAgICAgIHwgICAgIF5+fn5+fn5+fn5+fn5+fn5+fn5+fn5+ fn5+fn5+fn5+DQo+IEluIGZpbGUgaW5jbHVkZWQgZnJvbSBhcmNoL3Jpc2N2L2tlcm5lbC9lbGZf a2V4ZWMuYzoxNjoNCj4gaW5jbHVkZS9saW51eC9rZXhlYy5oOjIzNjoxOiBub3RlOiBwcmV2aW91 cyBkZWZpbml0aW9uIG9mIOKAmGFyY2hfa2V4ZWNfYXBwbHlfcmVsb2NhdGlvbnNfYWRk4oCZIHdp dGggdHlwZSDigJhpbnQoc3RydWN0IHB1cmdhdG9yeV9pbmZvICosIEVsZjY0X1NoZHIgKiwgY29u c3QgRWxmNjRfU2hkciAqLCBjb25zdCBFbGY2NF9TaGRyICop4oCZIHtha2Eg4oCYaW50KHN0cnVj dCBwdXJnYXRvcnlfaW5mbyAqLCBzdHJ1Y3QgZWxmNjRfc2hkciAqLCBjb25zdCBzdHJ1Y3QgZWxm NjRfc2hkciAqLCBjb25zdCBzdHJ1Y3QgZWxmNjRfc2hkciAqKeKAmX0NCj4gICAgMjM2IHwgYXJj aF9rZXhlY19hcHBseV9yZWxvY2F0aW9uc19hZGQoc3RydWN0IHB1cmdhdG9yeV9pbmZvICpwaSwg RWxmX1NoZHIgKnNlY3Rpb24sDQo+ICAgICAgICB8IF5+fn5+fn5+fn5+fn5+fn5+fn5+fn5+fn5+ fn5+fn5+DQo+IA0KPiAoSSB0aGluaykgYmVjYXVzZSB0aGVyZSBpcyBhIGNvbmZsaWN0IGJldHdl ZW4gdGhlIHR3byBjb21taXRzOg0KPiANCj4gMjMzYzFlNmMzMTljIGtleGVjX2ZpbGU6IGRyb3Ag d2VhayBhdHRyaWJ1dGUgZnJvbSBhcmNoX2tleGVjX2FwcGx5X3JlbG9jYXRpb25zW19hZGRdDQo+ IDgzOGIzZTI4NDg4ZiBSSVNDLVY6IExvYWQgcHVyZ2F0b3J5IGluIGtleGVjX2ZpbGUNCj4gDQo+ IEFuZCBzbyBuZXh0IGlzIGJyb2tlbiBzdGFydGluZyBmcm9tDQo+IDE2NGE5MDM3YjFkMzNmMjhi YTI3NjcxYzE2ZWMxYzIzZDRhMTFhY2Ygd2hpY2ggbWVyZ2VzIHRoZSByaXNjdiB0cmVlLg0KPiAN Cg0KSW4gYXJjaC9yaXNjdi9pbmNsdWRlL2FzbS9rZXhlYy5oLCBkbyB0aGUgc2FtZSBhcyBzMzkw IGRpZCBpbiBjb21taXQgDQoyMzNjMWU2YzMxOWM6DQoNCg0KZGlmZiAtLWdpdCBhL2FyY2gvczM5 MC9pbmNsdWRlL2FzbS9rZXhlYy5oIGIvYXJjaC9zMzkwL2luY2x1ZGUvYXNtL2tleGVjLmgNCmlu ZGV4IDdmM2M5YWMzNGJkOC4uNTQwZGQ0NjliMDg4IDEwMDY0NA0KLS0tIGEvYXJjaC9zMzkwL2lu Y2x1ZGUvYXNtL2tleGVjLmgNCisrKyBiL2FyY2gvczM5MC9pbmNsdWRlL2FzbS9rZXhlYy5oDQpA QCAtODMsNCArODMsMTIgQEAgc3RydWN0IGtpbWFnZV9hcmNoIHsNCiAgZXh0ZXJuIGNvbnN0IHN0 cnVjdCBrZXhlY19maWxlX29wcyBzMzkwX2tleGVjX2ltYWdlX29wczsNCiAgZXh0ZXJuIGNvbnN0 IHN0cnVjdCBrZXhlY19maWxlX29wcyBzMzkwX2tleGVjX2VsZl9vcHM7DQoNCisjaWZkZWYgQ09O RklHX0tFWEVDX0ZJTEUNCitzdHJ1Y3QgcHVyZ2F0b3J5X2luZm87DQoraW50IGFyY2hfa2V4ZWNf YXBwbHlfcmVsb2NhdGlvbnNfYWRkKHN0cnVjdCBwdXJnYXRvcnlfaW5mbyAqcGksDQorCQkJCSAg ICAgRWxmX1NoZHIgKnNlY3Rpb24sDQorCQkJCSAgICAgY29uc3QgRWxmX1NoZHIgKnJlbHNlYywN CisJCQkJICAgICBjb25zdCBFbGZfU2hkciAqc3ltdGFiKTsNCisjZGVmaW5lIGFyY2hfa2V4ZWNf YXBwbHlfcmVsb2NhdGlvbnNfYWRkIGFyY2hfa2V4ZWNfYXBwbHlfcmVsb2NhdGlvbnNfYWRkDQor I2VuZGlmDQogICNlbmRpZiAvKl9TMzkwX0tFWEVDX0ggKi8KX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4 LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFp bG1hbi9saXN0aW5mby9saW51eC1yaXNjdgo= From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christophe Leroy Date: Sun, 29 May 2022 09:46:47 +0000 Subject: [PATCH v2] kexec_file: Drop weak attribute from arch_kexec_apply_relocations[_add] In-Reply-To: <20220529065637.xgapqjp2342flbuj@pengutronix.de> References: <20220519091237.676736-1-naveen.n.rao@linux.vnet.ibm.com> <20220529065637.xgapqjp2342flbuj@pengutronix.de> Message-ID: <264786d9-7756-19e0-2742-8b8d17f5ace5@csgroup.eu> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kexec@lists.infradead.org Le 29/05/2022 ? 08:56, Uwe Kleine-K?nig a ?crit?: > Hello, > > on current linux-next ARCH=riscv allmodconfig breaks with: > > CC arch/riscv/kernel/elf_kexec.o > arch/riscv/kernel/elf_kexec.c:345:5: error: redefinition of ?arch_kexec_apply_relocations_add? > 345 | int arch_kexec_apply_relocations_add(struct purgatory_info *pi, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > In file included from arch/riscv/kernel/elf_kexec.c:16: > include/linux/kexec.h:236:1: note: previous definition of ?arch_kexec_apply_relocations_add? with type ?int(struct purgatory_info *, Elf64_Shdr *, const Elf64_Shdr *, const Elf64_Shdr *)? {aka ?int(struct purgatory_info *, struct elf64_shdr *, const struct elf64_shdr *, const struct elf64_shdr *)?} > 236 | arch_kexec_apply_relocations_add(struct purgatory_info *pi, Elf_Shdr *section, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > (I think) because there is a conflict between the two commits: > > 233c1e6c319c kexec_file: drop weak attribute from arch_kexec_apply_relocations[_add] > 838b3e28488f RISC-V: Load purgatory in kexec_file > > And so next is broken starting from > 164a9037b1d33f28ba27671c16ec1c23d4a11acf which merges the riscv tree. > In arch/riscv/include/asm/kexec.h, do the same as s390 did in commit 233c1e6c319c: diff --git a/arch/s390/include/asm/kexec.h b/arch/s390/include/asm/kexec.h index 7f3c9ac34bd8..540dd469b088 100644 --- a/arch/s390/include/asm/kexec.h +++ b/arch/s390/include/asm/kexec.h @@ -83,4 +83,12 @@ struct kimage_arch { extern const struct kexec_file_ops s390_kexec_image_ops; extern const struct kexec_file_ops s390_kexec_elf_ops; +#ifdef CONFIG_KEXEC_FILE +struct purgatory_info; +int arch_kexec_apply_relocations_add(struct purgatory_info *pi, + Elf_Shdr *section, + const Elf_Shdr *relsec, + const Elf_Shdr *symtab); +#define arch_kexec_apply_relocations_add arch_kexec_apply_relocations_add +#endif #endif /*_S390_KEXEC_H */