From: Jisheng Zhang <jszhang3@mail.ustc.edu.cn> To: "Paul Walmsley" <paul.walmsley@sifive.com>, "Palmer Dabbelt" <palmer@dabbelt.com>, "Albert Ou" <aou@eecs.berkeley.edu>, "Björn Töpel" <bjorn@kernel.org>, "Alexei Starovoitov" <ast@kernel.org>, "Daniel Borkmann" <daniel@iogearbox.net>, "Andrii Nakryiko" <andrii@kernel.org>, "Martin KaFai Lau" <kafai@fb.com>, "Song Liu" <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>, "John Fastabend" <john.fastabend@gmail.com>, "KP Singh" <kpsingh@kernel.org>, "Masahiro Yamada" <masahiroy@kernel.org>, "Michal Marek" <michal.lkml@markovi.net>, "Nick Desaulniers" <ndesaulniers@google.com> Cc: Kefeng Wang <wangkefeng.wang@huawei.com>, Tong Tiangen <tongtiangen@huawei.com>, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kbuild@vger.kernel.org Subject: [PATCH 04/12] riscv: bpf: move rv_bpf_fixup_exception signature to extable.h Date: Thu, 18 Nov 2021 19:23:21 +0800 [thread overview] Message-ID: <20211118192321.16837434@xhacker> (raw) In-Reply-To: <20211118192130.48b8f04c@xhacker> From: Jisheng Zhang <jszhang@kernel.org> This is to group riscv related extable related functions signature into one file. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> --- arch/riscv/include/asm/extable.h | 12 ++++++++++++ arch/riscv/mm/extable.c | 6 ------ arch/riscv/net/bpf_jit_comp64.c | 2 -- 3 files changed, 12 insertions(+), 8 deletions(-) diff --git a/arch/riscv/include/asm/extable.h b/arch/riscv/include/asm/extable.h index 84760392fc69..c48c020fcf4d 100644 --- a/arch/riscv/include/asm/extable.h +++ b/arch/riscv/include/asm/extable.h @@ -22,4 +22,16 @@ struct exception_table_entry { #define ARCH_HAS_RELATIVE_EXTABLE int fixup_exception(struct pt_regs *regs); + +#if defined(CONFIG_BPF_JIT) && defined(CONFIG_ARCH_RV64I) +int rv_bpf_fixup_exception(const struct exception_table_entry *ex, struct pt_regs *regs); +#else +static inline int +rv_bpf_fixup_exception(const struct exception_table_entry *ex, + struct pt_regs *regs) +{ + return 0; +} +#endif + #endif diff --git a/arch/riscv/mm/extable.c b/arch/riscv/mm/extable.c index d8d239c2c1bd..cbb0db11b28f 100644 --- a/arch/riscv/mm/extable.c +++ b/arch/riscv/mm/extable.c @@ -11,10 +11,6 @@ #include <linux/module.h> #include <linux/uaccess.h> -#if defined(CONFIG_BPF_JIT) && defined(CONFIG_ARCH_RV64I) -int rv_bpf_fixup_exception(const struct exception_table_entry *ex, struct pt_regs *regs); -#endif - int fixup_exception(struct pt_regs *regs) { const struct exception_table_entry *fixup; @@ -23,10 +19,8 @@ int fixup_exception(struct pt_regs *regs) if (!fixup) return 0; -#if defined(CONFIG_BPF_JIT) && defined(CONFIG_ARCH_RV64I) if (regs->epc >= BPF_JIT_REGION_START && regs->epc < BPF_JIT_REGION_END) return rv_bpf_fixup_exception(fixup, regs); -#endif regs->epc = (unsigned long)&fixup->fixup + fixup->fixup; return 1; diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c index f2a779c7e225..2ca345c7b0bf 100644 --- a/arch/riscv/net/bpf_jit_comp64.c +++ b/arch/riscv/net/bpf_jit_comp64.c @@ -459,8 +459,6 @@ static int emit_call(bool fixed, u64 addr, struct rv_jit_context *ctx) #define BPF_FIXUP_OFFSET_MASK GENMASK(26, 0) #define BPF_FIXUP_REG_MASK GENMASK(31, 27) -int rv_bpf_fixup_exception(const struct exception_table_entry *ex, - struct pt_regs *regs); int rv_bpf_fixup_exception(const struct exception_table_entry *ex, struct pt_regs *regs) { -- 2.33.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
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From: Jisheng Zhang <jszhang3@mail.ustc.edu.cn> To: "Paul Walmsley" <paul.walmsley@sifive.com>, "Palmer Dabbelt" <palmer@dabbelt.com>, "Albert Ou" <aou@eecs.berkeley.edu>, "Björn Töpel" <bjorn@kernel.org>, "Alexei Starovoitov" <ast@kernel.org>, "Daniel Borkmann" <daniel@iogearbox.net>, "Andrii Nakryiko" <andrii@kernel.org>, "Martin KaFai Lau" <kafai@fb.com>, "Song Liu" <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>, "John Fastabend" <john.fastabend@gmail.com>, "KP Singh" <kpsingh@kernel.org>, "Masahiro Yamada" <masahiroy@kernel.org>, "Michal Marek" <michal.lkml@markovi.net>, "Nick Desaulniers" <ndesaulniers@google.com> Cc: Kefeng Wang <wangkefeng.wang@huawei.com>, Tong Tiangen <tongtiangen@huawei.com>, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kbuild@vger.kernel.org Subject: [PATCH 04/12] riscv: bpf: move rv_bpf_fixup_exception signature to extable.h Date: Thu, 18 Nov 2021 19:23:21 +0800 [thread overview] Message-ID: <20211118192321.16837434@xhacker> (raw) In-Reply-To: <20211118192130.48b8f04c@xhacker> From: Jisheng Zhang <jszhang@kernel.org> This is to group riscv related extable related functions signature into one file. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> --- arch/riscv/include/asm/extable.h | 12 ++++++++++++ arch/riscv/mm/extable.c | 6 ------ arch/riscv/net/bpf_jit_comp64.c | 2 -- 3 files changed, 12 insertions(+), 8 deletions(-) diff --git a/arch/riscv/include/asm/extable.h b/arch/riscv/include/asm/extable.h index 84760392fc69..c48c020fcf4d 100644 --- a/arch/riscv/include/asm/extable.h +++ b/arch/riscv/include/asm/extable.h @@ -22,4 +22,16 @@ struct exception_table_entry { #define ARCH_HAS_RELATIVE_EXTABLE int fixup_exception(struct pt_regs *regs); + +#if defined(CONFIG_BPF_JIT) && defined(CONFIG_ARCH_RV64I) +int rv_bpf_fixup_exception(const struct exception_table_entry *ex, struct pt_regs *regs); +#else +static inline int +rv_bpf_fixup_exception(const struct exception_table_entry *ex, + struct pt_regs *regs) +{ + return 0; +} +#endif + #endif diff --git a/arch/riscv/mm/extable.c b/arch/riscv/mm/extable.c index d8d239c2c1bd..cbb0db11b28f 100644 --- a/arch/riscv/mm/extable.c +++ b/arch/riscv/mm/extable.c @@ -11,10 +11,6 @@ #include <linux/module.h> #include <linux/uaccess.h> -#if defined(CONFIG_BPF_JIT) && defined(CONFIG_ARCH_RV64I) -int rv_bpf_fixup_exception(const struct exception_table_entry *ex, struct pt_regs *regs); -#endif - int fixup_exception(struct pt_regs *regs) { const struct exception_table_entry *fixup; @@ -23,10 +19,8 @@ int fixup_exception(struct pt_regs *regs) if (!fixup) return 0; -#if defined(CONFIG_BPF_JIT) && defined(CONFIG_ARCH_RV64I) if (regs->epc >= BPF_JIT_REGION_START && regs->epc < BPF_JIT_REGION_END) return rv_bpf_fixup_exception(fixup, regs); -#endif regs->epc = (unsigned long)&fixup->fixup + fixup->fixup; return 1; diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c index f2a779c7e225..2ca345c7b0bf 100644 --- a/arch/riscv/net/bpf_jit_comp64.c +++ b/arch/riscv/net/bpf_jit_comp64.c @@ -459,8 +459,6 @@ static int emit_call(bool fixed, u64 addr, struct rv_jit_context *ctx) #define BPF_FIXUP_OFFSET_MASK GENMASK(26, 0) #define BPF_FIXUP_REG_MASK GENMASK(31, 27) -int rv_bpf_fixup_exception(const struct exception_table_entry *ex, - struct pt_regs *regs); int rv_bpf_fixup_exception(const struct exception_table_entry *ex, struct pt_regs *regs) { -- 2.33.0
next prev parent reply other threads:[~2021-11-18 11:35 UTC|newest] Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-11-18 11:21 [PATCH v4 0/12] riscv: switch to relative extable and other improvements Jisheng Zhang 2021-11-18 11:21 ` Jisheng Zhang 2021-11-18 11:22 ` [PATCH 01/12] riscv: remove unused __cmpxchg_user() macro Jisheng Zhang 2021-11-18 11:22 ` Jisheng Zhang 2021-11-18 11:22 ` [PATCH 02/12] riscv: consolidate __ex_table construction Jisheng Zhang 2021-11-18 11:22 ` Jisheng Zhang 2021-11-18 11:22 ` [PATCH 03/12] riscv: switch to relative exception tables Jisheng Zhang 2021-11-18 11:22 ` Jisheng Zhang 2021-11-19 2:09 ` tongtiangen 2021-11-19 2:09 ` tongtiangen 2021-11-18 11:23 ` Jisheng Zhang [this message] 2021-11-18 11:23 ` [PATCH 04/12] riscv: bpf: move rv_bpf_fixup_exception signature to extable.h Jisheng Zhang 2021-11-18 11:24 ` [PATCH 05/12] riscv: extable: make fixup_exception() return bool Jisheng Zhang 2021-11-18 11:24 ` Jisheng Zhang 2021-11-18 11:24 ` [PATCH 06/12] riscv: extable: use `ex` for `exception_table_entry` Jisheng Zhang 2021-11-18 11:24 ` Jisheng Zhang 2021-11-18 11:25 ` [PATCH 07/12] riscv: lib: uaccess: fold fixups into body Jisheng Zhang 2021-11-18 11:25 ` Jisheng Zhang 2021-11-18 11:25 ` [PATCH 08/12] riscv: extable: consolidate definitions Jisheng Zhang 2021-11-18 11:25 ` Jisheng Zhang 2021-11-18 11:26 ` [PATCH 09/12] riscv: extable: add `type` and `data` fields Jisheng Zhang 2021-11-18 11:26 ` Jisheng Zhang 2021-11-18 11:42 ` Jisheng Zhang 2021-11-18 11:42 ` Jisheng Zhang 2021-11-18 15:21 ` Mark Rutland 2021-11-18 15:21 ` Mark Rutland 2022-01-06 3:21 ` Palmer Dabbelt 2022-01-06 3:21 ` Palmer Dabbelt 2022-01-06 10:23 ` Mark Rutland 2022-01-06 10:23 ` Mark Rutland 2021-11-19 2:35 ` tongtiangen 2021-11-19 2:35 ` tongtiangen 2021-11-18 11:26 ` [PATCH 10/12] riscv: add gpr-num.h Jisheng Zhang 2021-11-18 11:26 ` Jisheng Zhang 2021-11-18 11:26 ` [PATCH 11/12] riscv: extable: add a dedicated uaccess handler Jisheng Zhang 2021-11-18 11:26 ` Jisheng Zhang 2021-11-18 17:31 ` kernel test robot 2022-01-20 18:15 ` Mayuresh Chitale 2022-01-20 18:15 ` Mayuresh Chitale 2022-01-21 12:16 ` Jisheng Zhang 2022-01-21 12:16 ` Jisheng Zhang 2022-01-23 9:12 ` Jisheng Zhang 2022-01-23 9:12 ` Jisheng Zhang 2022-01-24 17:02 ` Mayuresh Chitale 2022-01-24 17:02 ` Mayuresh Chitale 2021-11-18 11:27 ` [PATCH 12/12] riscv: vmlinux.lds.S|vmlinux-xip.lds.S: remove `.fixup` section Jisheng Zhang 2021-11-18 11:27 ` Jisheng Zhang
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