From: Conor Dooley <conor@kernel.org> To: Jisheng Zhang <jszhang@kernel.org> Cc: Palmer Dabbelt <palmer@dabbelt.com>, Paul Walmsley <paul.walmsley@sifive.com>, Albert Ou <aou@eecs.berkeley.edu>, Anup Patel <anup@brainfault.org>, Atish Patra <atishp@atishpatra.org>, Heiko Stuebner <heiko@sntech.de>, Andrew Jones <ajones@ventanamicro.com>, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org Subject: Re: [PATCH v2 08/13] riscv: module: move find_section to module.h Date: Tue, 6 Dec 2022 20:44:23 +0000 [thread overview] Message-ID: <Y4+pp6XEu3GSWCiE@spud> (raw) In-Reply-To: <20221204174632.3677-9-jszhang@kernel.org> [-- Attachment #1: Type: text/plain, Size: 2743 bytes --] On Mon, Dec 05, 2022 at 01:46:27AM +0800, Jisheng Zhang wrote: > Move it to the header so that the implementation can be shared > by the alternatives code. I'm not a super big fan of these perfunctory commit messages. Maybe I'm being a bit ornery, but a few words about why the alternatives could benefit from this would be nice. Also, s/it/find_section()/ please. How about: > Move find_section() to module.h so that the implementation can be shared > by the alternatives code. This will allow us to use alternatives in > the vdso. > Signed-off-by: Jisheng Zhang <jszhang@kernel.org> > --- > arch/riscv/include/asm/module.h | 15 +++++++++++++++ > arch/riscv/kernel/module.c | 15 --------------- Silly question maybe, but is module.h the right place to put this? But I have nothing better to suggest, and I hate bikeshedding stuff when I have no suggestion to make. Rationale behind the movement seems grand to me though, so I suppose: Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Thanks, Conor. > 2 files changed, 15 insertions(+), 15 deletions(-) > > diff --git a/arch/riscv/include/asm/module.h b/arch/riscv/include/asm/module.h > index 76aa96a9fc08..78722a79fc59 100644 > --- a/arch/riscv/include/asm/module.h > +++ b/arch/riscv/include/asm/module.h > @@ -111,4 +111,19 @@ static inline struct plt_entry *get_plt_entry(unsigned long val, > > #endif /* CONFIG_MODULE_SECTIONS */ > > +static inline const Elf_Shdr *find_section(const Elf_Ehdr *hdr, > + const Elf_Shdr *sechdrs, > + const char *name) > +{ > + const Elf_Shdr *s, *se; > + const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; > + > + for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) { > + if (strcmp(name, secstrs + s->sh_name) == 0) > + return s; > + } > + > + return NULL; > +} > + > #endif /* _ASM_RISCV_MODULE_H */ > diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c > index 91fe16bfaa07..76f4b9c2ec5b 100644 > --- a/arch/riscv/kernel/module.c > +++ b/arch/riscv/kernel/module.c > @@ -429,21 +429,6 @@ void *module_alloc(unsigned long size) > } > #endif > > -static const Elf_Shdr *find_section(const Elf_Ehdr *hdr, > - const Elf_Shdr *sechdrs, > - const char *name) > -{ > - const Elf_Shdr *s, *se; > - const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; > - > - for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) { > - if (strcmp(name, secstrs + s->sh_name) == 0) > - return s; > - } > - > - return NULL; > -} > - > int module_finalize(const Elf_Ehdr *hdr, > const Elf_Shdr *sechdrs, > struct module *me) > -- > 2.37.2 > [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 228 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Conor Dooley <conor@kernel.org> To: Jisheng Zhang <jszhang@kernel.org> Cc: Palmer Dabbelt <palmer@dabbelt.com>, Paul Walmsley <paul.walmsley@sifive.com>, Albert Ou <aou@eecs.berkeley.edu>, Anup Patel <anup@brainfault.org>, Atish Patra <atishp@atishpatra.org>, Heiko Stuebner <heiko@sntech.de>, Andrew Jones <ajones@ventanamicro.com>, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org Subject: Re: [PATCH v2 08/13] riscv: module: move find_section to module.h Date: Tue, 6 Dec 2022 20:44:23 +0000 [thread overview] Message-ID: <Y4+pp6XEu3GSWCiE@spud> (raw) In-Reply-To: <20221204174632.3677-9-jszhang@kernel.org> [-- Attachment #1.1: Type: text/plain, Size: 2743 bytes --] On Mon, Dec 05, 2022 at 01:46:27AM +0800, Jisheng Zhang wrote: > Move it to the header so that the implementation can be shared > by the alternatives code. I'm not a super big fan of these perfunctory commit messages. Maybe I'm being a bit ornery, but a few words about why the alternatives could benefit from this would be nice. Also, s/it/find_section()/ please. How about: > Move find_section() to module.h so that the implementation can be shared > by the alternatives code. This will allow us to use alternatives in > the vdso. > Signed-off-by: Jisheng Zhang <jszhang@kernel.org> > --- > arch/riscv/include/asm/module.h | 15 +++++++++++++++ > arch/riscv/kernel/module.c | 15 --------------- Silly question maybe, but is module.h the right place to put this? But I have nothing better to suggest, and I hate bikeshedding stuff when I have no suggestion to make. Rationale behind the movement seems grand to me though, so I suppose: Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Thanks, Conor. > 2 files changed, 15 insertions(+), 15 deletions(-) > > diff --git a/arch/riscv/include/asm/module.h b/arch/riscv/include/asm/module.h > index 76aa96a9fc08..78722a79fc59 100644 > --- a/arch/riscv/include/asm/module.h > +++ b/arch/riscv/include/asm/module.h > @@ -111,4 +111,19 @@ static inline struct plt_entry *get_plt_entry(unsigned long val, > > #endif /* CONFIG_MODULE_SECTIONS */ > > +static inline const Elf_Shdr *find_section(const Elf_Ehdr *hdr, > + const Elf_Shdr *sechdrs, > + const char *name) > +{ > + const Elf_Shdr *s, *se; > + const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; > + > + for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) { > + if (strcmp(name, secstrs + s->sh_name) == 0) > + return s; > + } > + > + return NULL; > +} > + > #endif /* _ASM_RISCV_MODULE_H */ > diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c > index 91fe16bfaa07..76f4b9c2ec5b 100644 > --- a/arch/riscv/kernel/module.c > +++ b/arch/riscv/kernel/module.c > @@ -429,21 +429,6 @@ void *module_alloc(unsigned long size) > } > #endif > > -static const Elf_Shdr *find_section(const Elf_Ehdr *hdr, > - const Elf_Shdr *sechdrs, > - const char *name) > -{ > - const Elf_Shdr *s, *se; > - const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; > - > - for (s = sechdrs, se = sechdrs + hdr->e_shnum; s < se; s++) { > - if (strcmp(name, secstrs + s->sh_name) == 0) > - return s; > - } > - > - return NULL; > -} > - > int module_finalize(const Elf_Ehdr *hdr, > const Elf_Shdr *sechdrs, > struct module *me) > -- > 2.37.2 > [-- Attachment #1.2: signature.asc --] [-- Type: application/pgp-signature, Size: 228 bytes --] [-- Attachment #2: Type: text/plain, Size: 161 bytes --] _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2022-12-06 20:44 UTC|newest] Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-12-04 17:46 [PATCH v2 00/13] riscv: improve boot time isa extensions handling Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-04 17:46 ` [PATCH v2 01/13] riscv: fix jal offsets in patched alternatives Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-05 14:57 ` Andrew Jones 2022-12-05 14:57 ` Andrew Jones 2022-12-05 15:34 ` Jisheng Zhang 2022-12-05 15:34 ` Jisheng Zhang 2022-12-05 16:42 ` Jisheng Zhang 2022-12-05 16:42 ` Jisheng Zhang 2022-12-05 16:49 ` Jisheng Zhang 2022-12-05 16:49 ` Jisheng Zhang 2022-12-06 5:50 ` Andrew Jones 2022-12-06 5:50 ` Andrew Jones 2022-12-05 15:31 ` Heiko Stübner 2022-12-05 15:31 ` Heiko Stübner 2022-12-05 15:40 ` Jisheng Zhang 2022-12-05 15:40 ` Jisheng Zhang 2022-12-05 18:36 ` Conor Dooley 2022-12-05 18:36 ` Conor Dooley 2022-12-05 18:49 ` Heiko Stübner 2022-12-05 18:49 ` Heiko Stübner 2022-12-05 19:49 ` Conor Dooley 2022-12-05 19:49 ` Conor Dooley 2022-12-06 0:39 ` Heiko Stübner 2022-12-06 0:39 ` Heiko Stübner 2022-12-06 15:02 ` Jisheng Zhang 2022-12-06 15:02 ` Jisheng Zhang 2022-12-06 16:12 ` Conor Dooley 2022-12-06 16:12 ` Conor Dooley 2022-12-19 21:32 ` Conor Dooley 2022-12-19 21:32 ` Conor Dooley 2022-12-04 17:46 ` [PATCH v2 02/13] riscv: move riscv_noncoherent_supported() out of ZICBOM probe Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-04 21:52 ` Heiko Stübner 2022-12-04 21:52 ` Heiko Stübner 2022-12-05 15:16 ` Jisheng Zhang 2022-12-05 15:16 ` Jisheng Zhang 2022-12-05 15:31 ` Conor Dooley 2022-12-05 15:31 ` Conor Dooley 2022-12-04 17:46 ` [PATCH v2 03/13] riscv: cpufeature: detect RISCV_ALTERNATIVES_EARLY_BOOT earlier Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-05 19:09 ` Conor Dooley 2022-12-05 19:09 ` Conor Dooley 2022-12-04 17:46 ` [PATCH v2 04/13] riscv: hwcap: make ISA extension ids can be used in asm Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-05 18:53 ` Conor Dooley 2022-12-05 18:53 ` Conor Dooley 2022-12-22 22:58 ` Conor Dooley 2022-12-22 22:58 ` Conor Dooley 2022-12-04 17:46 ` [PATCH v2 05/13] riscv: cpufeature: extend riscv_cpufeature_patch_func to all ISA extensions Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-05 19:37 ` Conor Dooley 2022-12-05 19:37 ` Conor Dooley 2022-12-04 17:46 ` [PATCH v2 06/13] riscv: introduce riscv_has_extension_[un]likely() Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-06 20:25 ` Conor Dooley 2022-12-06 20:25 ` Conor Dooley 2022-12-04 17:46 ` [PATCH v2 07/13] riscv: fpu: switch has_fpu() to riscv_has_extension_likely() Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-04 17:46 ` [PATCH v2 08/13] riscv: module: move find_section to module.h Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-05 15:25 ` Andrew Jones 2022-12-05 15:25 ` Andrew Jones 2022-12-06 20:44 ` Conor Dooley [this message] 2022-12-06 20:44 ` Conor Dooley 2022-12-04 17:46 ` [PATCH v2 09/13] riscv: switch to relative alternative entries Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-05 0:51 ` Guo Ren 2022-12-05 0:51 ` Guo Ren 2022-12-05 15:18 ` Jisheng Zhang 2022-12-05 15:18 ` Jisheng Zhang 2022-12-06 4:34 ` Guo Ren 2022-12-06 4:34 ` Guo Ren 2022-12-06 14:50 ` Jisheng Zhang 2022-12-06 14:50 ` Jisheng Zhang 2022-12-06 21:43 ` Conor Dooley 2022-12-06 21:43 ` Conor Dooley 2022-12-04 17:46 ` [PATCH v2 10/13] riscv: alternative: patch alternatives in the vDSO Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-05 1:56 ` Guo Ren 2022-12-05 1:56 ` Guo Ren 2022-12-05 15:23 ` Jisheng Zhang 2022-12-05 15:23 ` Jisheng Zhang 2022-12-06 4:29 ` Guo Ren 2022-12-06 4:29 ` Guo Ren 2023-01-11 14:12 ` Andrew Jones 2023-01-11 14:12 ` Andrew Jones 2022-12-04 17:46 ` [PATCH v2 11/13] riscv: cpu_relax: switch to riscv_has_extension_likely() Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-05 0:52 ` Guo Ren 2022-12-05 0:52 ` Guo Ren 2022-12-06 22:04 ` Conor Dooley 2022-12-06 22:04 ` Conor Dooley 2022-12-04 17:46 ` [PATCH v2 12/13] riscv: KVM: Switch has_svinval() to riscv_has_extension_unlikely() Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-05 0:52 ` Guo Ren 2022-12-05 0:52 ` Guo Ren 2022-12-04 17:46 ` [PATCH v2 13/13] riscv: remove riscv_isa_ext_keys[] array and related usage Jisheng Zhang 2022-12-04 17:46 ` Jisheng Zhang 2022-12-05 0:53 ` Guo Ren 2022-12-05 0:53 ` Guo Ren 2022-12-06 22:16 ` Conor Dooley 2022-12-06 22:16 ` Conor Dooley
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