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From: tongtiangen <tongtiangen@huawei.com>
To: "Jisheng Zhang" <jszhang3@mail.ustc.edu.cn>,
	"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>,
	<linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
	<netdev@vger.kernel.org>, <bpf@vger.kernel.org>,
	<linux-kbuild@vger.kernel.org>
Subject: Re: [PATCH 09/12] riscv: extable: add `type` and `data` fields
Date: Fri, 19 Nov 2021 10:35:41 +0800	[thread overview]
Message-ID: <7c1b31cf-eb0b-02ad-f672-95d69055928a@huawei.com> (raw)
In-Reply-To: <20211118192605.57e06d6b@xhacker>



On 2021/11/18 19:26, Jisheng Zhang wrote:
> From: Jisheng Zhang <jszhang@kernel.org>
>
> This is a riscv port of commit d6e2cc564775("arm64: extable: add `type`
> and `data` fields").
>
> We will add specialized handlers for fixups, the `type` field is for
> fixup handler type, the `data` field is used to pass specific data to
> each handler, for example register numbers.
>
> Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
> ---
>  arch/riscv/include/asm/asm-extable.h | 25 +++++++++++++++++--------
>  arch/riscv/include/asm/extable.h     | 17 ++++++++++++++---
>  arch/riscv/kernel/vmlinux.lds.S      |  2 +-
>  arch/riscv/mm/extable.c              | 25 +++++++++++++++++++++----
>  arch/riscv/net/bpf_jit_comp64.c      |  5 +++--
>  scripts/sorttable.c                  |  4 +++-
>  6 files changed, 59 insertions(+), 19 deletions(-)
>
> diff --git a/arch/riscv/include/asm/asm-extable.h b/arch/riscv/include/asm/asm-extable.h
> index b790c02dbdda..1b1f4ffd8d37 100644
> --- a/arch/riscv/include/asm/asm-extable.h
> +++ b/arch/riscv/include/asm/asm-extable.h
> @@ -2,31 +2,40 @@
>  #ifndef __ASM_ASM_EXTABLE_H
>  #define __ASM_ASM_EXTABLE_H
>
> +#define EX_TYPE_NONE			0
> +#define EX_TYPE_FIXUP			1
> +#define EX_TYPE_BPF			2
> +
>  #ifdef __ASSEMBLY__
>
> -#define __ASM_EXTABLE_RAW(insn, fixup)		\
> -	.pushsection	__ex_table, "a";	\
> -	.balign		4;			\
> -	.long		((insn) - .);		\
> -	.long		((fixup) - .);		\
> +#define __ASM_EXTABLE_RAW(insn, fixup, type, data)	\
> +	.pushsection	__ex_table, "a";		\
> +	.balign		4;				\
> +	.long		((insn) - .);			\
> +	.long		((fixup) - .);			\
> +	.short		(type);				\
> +	.short		(data);				\
>  	.popsection;
>
>  	.macro		_asm_extable, insn, fixup
> -	__ASM_EXTABLE_RAW(\insn, \fixup)
> +	__ASM_EXTABLE_RAW(\insn, \fixup, EX_TYPE_FIXUP, 0)
>  	.endm
>
>  #else /* __ASSEMBLY__ */
>
>  #include <linux/stringify.h>
>
> -#define __ASM_EXTABLE_RAW(insn, fixup)			\
> +#define __ASM_EXTABLE_RAW(insn, fixup, type, data)	\
>  	".pushsection	__ex_table, \"a\"\n"		\
>  	".balign	4\n"				\
>  	".long		((" insn ") - .)\n"		\
>  	".long		((" fixup ") - .)\n"		\
> +	".short		(" type ")\n"			\
> +	".short		(" data ")\n"			\
>  	".popsection\n"
>
> -#define _ASM_EXTABLE(insn, fixup) __ASM_EXTABLE_RAW(#insn, #fixup)
> +#define _ASM_EXTABLE(insn, fixup)	\
> +	__ASM_EXTABLE_RAW(#insn, #fixup, __stringify(EX_TYPE_FIXUP), "0")
>
>  #endif /* __ASSEMBLY__ */
>
> diff --git a/arch/riscv/include/asm/extable.h b/arch/riscv/include/asm/extable.h
> index e4374dde02b4..512012d193dc 100644
> --- a/arch/riscv/include/asm/extable.h
> +++ b/arch/riscv/include/asm/extable.h
> @@ -17,18 +17,29 @@
>
>  struct exception_table_entry {
>  	int insn, fixup;
> +	short type, data;
>  };
>
>  #define ARCH_HAS_RELATIVE_EXTABLE
>
> +#define swap_ex_entry_fixup(a, b, tmp, delta)		\
> +do {							\
> +	(a)->fixup = (b)->fixup + (delta);		\
> +	(b)->fixup = (tmp).fixup - (delta);		\
> +	(a)->type = (b)->type;				\
> +	(b)->type = (tmp).type;				\
> +	(a)->data = (b)->data;				\
> +	(b)->data = (tmp).data;				\
> +} while (0)
> +
>  bool fixup_exception(struct pt_regs *regs);
>
>  #if defined(CONFIG_BPF_JIT) && defined(CONFIG_ARCH_RV64I)
> -bool rv_bpf_fixup_exception(const struct exception_table_entry *ex, struct pt_regs *regs);
> +bool ex_handler_bpf(const struct exception_table_entry *ex, struct pt_regs *regs);
>  #else
>  static inline bool
> -rv_bpf_fixup_exception(const struct exception_table_entry *ex,
> -		       struct pt_regs *regs)
> +ex_handler_bpf(const struct exception_table_entry *ex,
> +	       struct pt_regs *regs)
>  {
>  	return false;
>  }
> diff --git a/arch/riscv/kernel/vmlinux.lds.S b/arch/riscv/kernel/vmlinux.lds.S
> index 5104f3a871e3..0e5ae851929e 100644
> --- a/arch/riscv/kernel/vmlinux.lds.S
> +++ b/arch/riscv/kernel/vmlinux.lds.S
> @@ -4,7 +4,7 @@
>   * Copyright (C) 2017 SiFive
>   */
>
> -#define RO_EXCEPTION_TABLE_ALIGN	16
> +#define RO_EXCEPTION_TABLE_ALIGN	4
>
>  #ifdef CONFIG_XIP_KERNEL
>  #include "vmlinux-xip.lds.S"
> diff --git a/arch/riscv/mm/extable.c b/arch/riscv/mm/extable.c
> index 3c561f1d0115..91e52c4bb33a 100644
> --- a/arch/riscv/mm/extable.c
> +++ b/arch/riscv/mm/extable.c
> @@ -10,6 +10,20 @@
>  #include <linux/extable.h>
>  #include <linux/module.h>
>  #include <linux/uaccess.h>
> +#include <asm/asm-extable.h>
> +
> +static inline unsigned long
> +get_ex_fixup(const struct exception_table_entry *ex)
> +{
> +	return ((unsigned long)&ex->fixup + ex->fixup);
> +}
> +
> +static bool ex_handler_fixup(const struct exception_table_entry *ex,
> +			     struct pt_regs *regs)
> +{
> +	regs->epc = get_ex_fixup(ex);
> +	return true;
> +}
>
>  bool fixup_exception(struct pt_regs *regs)
>  {
> @@ -19,9 +33,12 @@ bool fixup_exception(struct pt_regs *regs)
>  	if (!ex)
>  		return false;
>
> -	if (regs->epc >= BPF_JIT_REGION_START && regs->epc < BPF_JIT_REGION_END)
> -		return rv_bpf_fixup_exception(ex, regs);
> +	switch (ex->type) {
> +	case EX_TYPE_FIXUP:
> +		return ex_handler_fixup(ex, regs);
> +	case EX_TYPE_BPF:
> +		return ex_handler_bpf(ex, regs);
> +	}
>
> -	regs->epc = (unsigned long)&ex->fixup + ex->fixup;
> -	return true;
> +	BUG();
>  }
> diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c
> index 7714081cbb64..69bab7e28f91 100644
> --- a/arch/riscv/net/bpf_jit_comp64.c
> +++ b/arch/riscv/net/bpf_jit_comp64.c
> @@ -459,8 +459,8 @@ 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)
>
> -bool rv_bpf_fixup_exception(const struct exception_table_entry *ex,
> -			    struct pt_regs *regs)
> +bool ex_handler_bpf(const struct exception_table_entry *ex,
> +		    struct pt_regs *regs)
>  {
>  	off_t offset = FIELD_GET(BPF_FIXUP_OFFSET_MASK, ex->fixup);
>  	int regs_offset = FIELD_GET(BPF_FIXUP_REG_MASK, ex->fixup);
> @@ -514,6 +514,7 @@ static int add_exception_handler(const struct bpf_insn *insn,
>
>  	ex->fixup = FIELD_PREP(BPF_FIXUP_OFFSET_MASK, offset) |
>  		FIELD_PREP(BPF_FIXUP_REG_MASK, dst_reg);
> +	ex->type = EX_TYPE_BPF;

looks good to me.

Reviewed-by:Tong Tiangen <tongtiangen@huawei.com>

>
>  	ctx->nexentries++;
>  	return 0;
> diff --git a/scripts/sorttable.c b/scripts/sorttable.c
> index 0c031e47a419..5b5472b543f5 100644
> --- a/scripts/sorttable.c
> +++ b/scripts/sorttable.c
> @@ -376,9 +376,11 @@ static int do_file(char const *const fname, void *addr)
>  	case EM_PARISC:
>  	case EM_PPC:
>  	case EM_PPC64:
> -	case EM_RISCV:
>  		custom_sort = sort_relative_table;
>  		break;
> +	case EM_RISCV:
> +		custom_sort = arm64_sort_relative_table;
> +		break;
>  	case EM_ARCOMPACT:
>  	case EM_ARCV2:
>  	case EM_ARM:
>

WARNING: multiple messages have this Message-ID
From: tongtiangen <tongtiangen@huawei.com>
To: "Jisheng Zhang" <jszhang3@mail.ustc.edu.cn>,
	"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>,
	<linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
	<netdev@vger.kernel.org>, <bpf@vger.kernel.org>,
	<linux-kbuild@vger.kernel.org>
Subject: Re: [PATCH 09/12] riscv: extable: add `type` and `data` fields
Date: Fri, 19 Nov 2021 10:35:41 +0800	[thread overview]
Message-ID: <7c1b31cf-eb0b-02ad-f672-95d69055928a@huawei.com> (raw)
In-Reply-To: <20211118192605.57e06d6b@xhacker>



On 2021/11/18 19:26, Jisheng Zhang wrote:
> From: Jisheng Zhang <jszhang@kernel.org>
>
> This is a riscv port of commit d6e2cc564775("arm64: extable: add `type`
> and `data` fields").
>
> We will add specialized handlers for fixups, the `type` field is for
> fixup handler type, the `data` field is used to pass specific data to
> each handler, for example register numbers.
>
> Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
> ---
>  arch/riscv/include/asm/asm-extable.h | 25 +++++++++++++++++--------
>  arch/riscv/include/asm/extable.h     | 17 ++++++++++++++---
>  arch/riscv/kernel/vmlinux.lds.S      |  2 +-
>  arch/riscv/mm/extable.c              | 25 +++++++++++++++++++++----
>  arch/riscv/net/bpf_jit_comp64.c      |  5 +++--
>  scripts/sorttable.c                  |  4 +++-
>  6 files changed, 59 insertions(+), 19 deletions(-)
>
> diff --git a/arch/riscv/include/asm/asm-extable.h b/arch/riscv/include/asm/asm-extable.h
> index b790c02dbdda..1b1f4ffd8d37 100644
> --- a/arch/riscv/include/asm/asm-extable.h
> +++ b/arch/riscv/include/asm/asm-extable.h
> @@ -2,31 +2,40 @@
>  #ifndef __ASM_ASM_EXTABLE_H
>  #define __ASM_ASM_EXTABLE_H
>
> +#define EX_TYPE_NONE			0
> +#define EX_TYPE_FIXUP			1
> +#define EX_TYPE_BPF			2
> +
>  #ifdef __ASSEMBLY__
>
> -#define __ASM_EXTABLE_RAW(insn, fixup)		\
> -	.pushsection	__ex_table, "a";	\
> -	.balign		4;			\
> -	.long		((insn) - .);		\
> -	.long		((fixup) - .);		\
> +#define __ASM_EXTABLE_RAW(insn, fixup, type, data)	\
> +	.pushsection	__ex_table, "a";		\
> +	.balign		4;				\
> +	.long		((insn) - .);			\
> +	.long		((fixup) - .);			\
> +	.short		(type);				\
> +	.short		(data);				\
>  	.popsection;
>
>  	.macro		_asm_extable, insn, fixup
> -	__ASM_EXTABLE_RAW(\insn, \fixup)
> +	__ASM_EXTABLE_RAW(\insn, \fixup, EX_TYPE_FIXUP, 0)
>  	.endm
>
>  #else /* __ASSEMBLY__ */
>
>  #include <linux/stringify.h>
>
> -#define __ASM_EXTABLE_RAW(insn, fixup)			\
> +#define __ASM_EXTABLE_RAW(insn, fixup, type, data)	\
>  	".pushsection	__ex_table, \"a\"\n"		\
>  	".balign	4\n"				\
>  	".long		((" insn ") - .)\n"		\
>  	".long		((" fixup ") - .)\n"		\
> +	".short		(" type ")\n"			\
> +	".short		(" data ")\n"			\
>  	".popsection\n"
>
> -#define _ASM_EXTABLE(insn, fixup) __ASM_EXTABLE_RAW(#insn, #fixup)
> +#define _ASM_EXTABLE(insn, fixup)	\
> +	__ASM_EXTABLE_RAW(#insn, #fixup, __stringify(EX_TYPE_FIXUP), "0")
>
>  #endif /* __ASSEMBLY__ */
>
> diff --git a/arch/riscv/include/asm/extable.h b/arch/riscv/include/asm/extable.h
> index e4374dde02b4..512012d193dc 100644
> --- a/arch/riscv/include/asm/extable.h
> +++ b/arch/riscv/include/asm/extable.h
> @@ -17,18 +17,29 @@
>
>  struct exception_table_entry {
>  	int insn, fixup;
> +	short type, data;
>  };
>
>  #define ARCH_HAS_RELATIVE_EXTABLE
>
> +#define swap_ex_entry_fixup(a, b, tmp, delta)		\
> +do {							\
> +	(a)->fixup = (b)->fixup + (delta);		\
> +	(b)->fixup = (tmp).fixup - (delta);		\
> +	(a)->type = (b)->type;				\
> +	(b)->type = (tmp).type;				\
> +	(a)->data = (b)->data;				\
> +	(b)->data = (tmp).data;				\
> +} while (0)
> +
>  bool fixup_exception(struct pt_regs *regs);
>
>  #if defined(CONFIG_BPF_JIT) && defined(CONFIG_ARCH_RV64I)
> -bool rv_bpf_fixup_exception(const struct exception_table_entry *ex, struct pt_regs *regs);
> +bool ex_handler_bpf(const struct exception_table_entry *ex, struct pt_regs *regs);
>  #else
>  static inline bool
> -rv_bpf_fixup_exception(const struct exception_table_entry *ex,
> -		       struct pt_regs *regs)
> +ex_handler_bpf(const struct exception_table_entry *ex,
> +	       struct pt_regs *regs)
>  {
>  	return false;
>  }
> diff --git a/arch/riscv/kernel/vmlinux.lds.S b/arch/riscv/kernel/vmlinux.lds.S
> index 5104f3a871e3..0e5ae851929e 100644
> --- a/arch/riscv/kernel/vmlinux.lds.S
> +++ b/arch/riscv/kernel/vmlinux.lds.S
> @@ -4,7 +4,7 @@
>   * Copyright (C) 2017 SiFive
>   */
>
> -#define RO_EXCEPTION_TABLE_ALIGN	16
> +#define RO_EXCEPTION_TABLE_ALIGN	4
>
>  #ifdef CONFIG_XIP_KERNEL
>  #include "vmlinux-xip.lds.S"
> diff --git a/arch/riscv/mm/extable.c b/arch/riscv/mm/extable.c
> index 3c561f1d0115..91e52c4bb33a 100644
> --- a/arch/riscv/mm/extable.c
> +++ b/arch/riscv/mm/extable.c
> @@ -10,6 +10,20 @@
>  #include <linux/extable.h>
>  #include <linux/module.h>
>  #include <linux/uaccess.h>
> +#include <asm/asm-extable.h>
> +
> +static inline unsigned long
> +get_ex_fixup(const struct exception_table_entry *ex)
> +{
> +	return ((unsigned long)&ex->fixup + ex->fixup);
> +}
> +
> +static bool ex_handler_fixup(const struct exception_table_entry *ex,
> +			     struct pt_regs *regs)
> +{
> +	regs->epc = get_ex_fixup(ex);
> +	return true;
> +}
>
>  bool fixup_exception(struct pt_regs *regs)
>  {
> @@ -19,9 +33,12 @@ bool fixup_exception(struct pt_regs *regs)
>  	if (!ex)
>  		return false;
>
> -	if (regs->epc >= BPF_JIT_REGION_START && regs->epc < BPF_JIT_REGION_END)
> -		return rv_bpf_fixup_exception(ex, regs);
> +	switch (ex->type) {
> +	case EX_TYPE_FIXUP:
> +		return ex_handler_fixup(ex, regs);
> +	case EX_TYPE_BPF:
> +		return ex_handler_bpf(ex, regs);
> +	}
>
> -	regs->epc = (unsigned long)&ex->fixup + ex->fixup;
> -	return true;
> +	BUG();
>  }
> diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c
> index 7714081cbb64..69bab7e28f91 100644
> --- a/arch/riscv/net/bpf_jit_comp64.c
> +++ b/arch/riscv/net/bpf_jit_comp64.c
> @@ -459,8 +459,8 @@ 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)
>
> -bool rv_bpf_fixup_exception(const struct exception_table_entry *ex,
> -			    struct pt_regs *regs)
> +bool ex_handler_bpf(const struct exception_table_entry *ex,
> +		    struct pt_regs *regs)
>  {
>  	off_t offset = FIELD_GET(BPF_FIXUP_OFFSET_MASK, ex->fixup);
>  	int regs_offset = FIELD_GET(BPF_FIXUP_REG_MASK, ex->fixup);
> @@ -514,6 +514,7 @@ static int add_exception_handler(const struct bpf_insn *insn,
>
>  	ex->fixup = FIELD_PREP(BPF_FIXUP_OFFSET_MASK, offset) |
>  		FIELD_PREP(BPF_FIXUP_REG_MASK, dst_reg);
> +	ex->type = EX_TYPE_BPF;

looks good to me.

Reviewed-by:Tong Tiangen <tongtiangen@huawei.com>

>
>  	ctx->nexentries++;
>  	return 0;
> diff --git a/scripts/sorttable.c b/scripts/sorttable.c
> index 0c031e47a419..5b5472b543f5 100644
> --- a/scripts/sorttable.c
> +++ b/scripts/sorttable.c
> @@ -376,9 +376,11 @@ static int do_file(char const *const fname, void *addr)
>  	case EM_PARISC:
>  	case EM_PPC:
>  	case EM_PPC64:
> -	case EM_RISCV:
>  		custom_sort = sort_relative_table;
>  		break;
> +	case EM_RISCV:
> +		custom_sort = arm64_sort_relative_table;
> +		break;
>  	case EM_ARCOMPACT:
>  	case EM_ARCV2:
>  	case EM_ARM:
>

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  parent reply	other threads:[~2021-11-19  2:35 UTC|newest]

Thread overview: 46+ 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 ` [PATCH 04/12] riscv: bpf: move rv_bpf_fixup_exception signature to extable.h Jisheng Zhang
2021-11-18 11:23   ` 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 [this message]
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
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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