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From: Guo Ren <guoren@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 09/13] riscv: switch to relative alternative entries
Date: Tue, 6 Dec 2022 12:34:40 +0800	[thread overview]
Message-ID: <CAJF2gTQ98fyTNc6d3PJrkMjUjUstN8s1FcRNyZQCLiN5CV5NCw@mail.gmail.com> (raw)
In-Reply-To: <Y44LuRcQYPnVnFje@xhacker>

On Mon, Dec 5, 2022 at 11:28 PM Jisheng Zhang <jszhang@kernel.org> wrote:
>
> On Mon, Dec 05, 2022 at 08:51:41AM +0800, Guo Ren wrote:
> > On Mon, Dec 5, 2022 at 1:57 AM Jisheng Zhang <jszhang@kernel.org> wrote:
> > >
> > > Instead of using absolute addresses for both the old instrucions and
> > > the alternative instructions, use offsets relative to the alt_entry
> > > values. So we can not only cut the size of the alternative entry, but
> > > also meet the prerequisite for patching alternatives in the vDSO,
> > > since absolute alternative entries are subject to dynamic relocation,
> > > which is incompatible with the vDSO building.
> > >
> > > Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
> > > ---
> > >  arch/riscv/errata/sifive/errata.c           |  4 +++-
> > >  arch/riscv/errata/thead/errata.c            | 11 ++++++++---
> > >  arch/riscv/include/asm/alternative-macros.h | 20 ++++++++++----------
> > >  arch/riscv/include/asm/alternative.h        | 12 ++++++------
> > >  arch/riscv/kernel/cpufeature.c              | 13 ++++++-------
> > >  5 files changed, 33 insertions(+), 27 deletions(-)
> > >
> > > diff --git a/arch/riscv/errata/sifive/errata.c b/arch/riscv/errata/sifive/errata.c
> > > index 1031038423e7..0e537cdfd324 100644
> > > --- a/arch/riscv/errata/sifive/errata.c
> > > +++ b/arch/riscv/errata/sifive/errata.c
> > > @@ -107,7 +107,9 @@ void __init_or_module sifive_errata_patch_func(struct alt_entry *begin,
> > >
> > >                 tmp = (1U << alt->errata_id);
> > >                 if (cpu_req_errata & tmp) {
> > > -                       patch_text_nosync(alt->old_ptr, alt->alt_ptr, alt->alt_len);
> > > +                       patch_text_nosync((void *)&alt->old_offset + alt->old_offset,
> > > +                                         (void *)&alt->alt_offset + alt->alt_offset,
> >  (void *)&alt->alt_offset + alt->alt_offset. ??!!
>
> Hi Guo,
>
> what's the problem? I can't catch your meaning, could you please proide
> more details?
Can you explain why:

alt->old_ptr = (void *)&alt->old_offset + alt->old_offset

| offset | <- &offset
| ...       |
| value | <- ptr = &offset + offset

I don't make sense of the above.

>
> Thanks
>
> >
> > > +                                         alt->alt_len);
> > >                         cpu_apply_errata |= tmp;
> > >                 }
> > >         }
> > > diff --git a/arch/riscv/errata/thead/errata.c b/arch/riscv/errata/thead/errata.c
> > > index 21546937db39..2a6e335b5a32 100644
> > > --- a/arch/riscv/errata/thead/errata.c
> > > +++ b/arch/riscv/errata/thead/errata.c
> > > @@ -68,6 +68,7 @@ void __init_or_module thead_errata_patch_func(struct alt_entry *begin, struct al
> > >         struct alt_entry *alt;
> > >         u32 cpu_req_errata = thead_errata_probe(stage, archid, impid);
> > >         u32 tmp;
> > > +       void *oldptr, *updptr;
> > >
> > >         for (alt = begin; alt < end; alt++) {
> > >                 if (alt->vendor_id != THEAD_VENDOR_ID)
> > > @@ -77,12 +78,16 @@ void __init_or_module thead_errata_patch_func(struct alt_entry *begin, struct al
> > >
> > >                 tmp = (1U << alt->errata_id);
> > >                 if (cpu_req_errata & tmp) {
> > > +                       oldptr = (void *)&alt->old_offset + alt->old_offset;
> > > +                       updptr = (void *)&alt->alt_offset + alt->alt_offset;
> > > +
> > >                         /* On vm-alternatives, the mmu isn't running yet */
> > >                         if (stage == RISCV_ALTERNATIVES_EARLY_BOOT)
> > > -                               memcpy((void *)__pa_symbol(alt->old_ptr),
> > > -                                      (void *)__pa_symbol(alt->alt_ptr), alt->alt_len);
> > > +                               memcpy((void *)__pa_symbol(oldptr),
> > > +                                      (void *)__pa_symbol(updptr),
> > > +                                      alt->alt_len);
> > >                         else
> > > -                               patch_text_nosync(alt->old_ptr, alt->alt_ptr, alt->alt_len);
> > > +                               patch_text_nosync(oldptr, updptr, alt->alt_len);
> > >                 }
> > >         }
> > >
> > > diff --git a/arch/riscv/include/asm/alternative-macros.h b/arch/riscv/include/asm/alternative-macros.h
> > > index ec2f3f1b836f..dd40727bc859 100644
> > > --- a/arch/riscv/include/asm/alternative-macros.h
> > > +++ b/arch/riscv/include/asm/alternative-macros.h
> > > @@ -7,11 +7,11 @@
> > >  #ifdef __ASSEMBLY__
> > >
> > >  .macro ALT_ENTRY oldptr newptr vendor_id errata_id new_len
> > > -       RISCV_PTR \oldptr
> > > -       RISCV_PTR \newptr
> > > -       REG_ASM \vendor_id
> > > -       REG_ASM \new_len
> > > -       .word   \errata_id
> > > +       .long \oldptr - .
> > > +       .long \newptr - .
> > > +       .short \vendor_id
> > > +       .short \new_len
> > > +       .long \errata_id
> > >  .endm
> > >
> > >  .macro ALT_NEW_CONTENT vendor_id, errata_id, enable = 1, new_c : vararg
> > > @@ -75,11 +75,11 @@
> > >  #include <linux/stringify.h>
> > >
> > >  #define ALT_ENTRY(oldptr, newptr, vendor_id, errata_id, newlen)                \
> > > -       RISCV_PTR " " oldptr "\n"                                       \
> > > -       RISCV_PTR " " newptr "\n"                                       \
> > > -       REG_ASM " " vendor_id "\n"                                      \
> > > -       REG_ASM " " newlen "\n"                                         \
> > > -       ".word " errata_id "\n"
> > > +       ".long  ((" oldptr ") - .) \n"                                  \
> > > +       ".long  ((" newptr ") - .) \n"                                  \
> > > +       ".short " vendor_id "\n"                                        \
> > > +       ".short " newlen "\n"                                           \
> > > +       ".long  " errata_id "\n"
> > >
> > >  #define ALT_NEW_CONTENT(vendor_id, errata_id, enable, new_c)           \
> > >         ".if " __stringify(enable) " == 1\n"                            \
> > > diff --git a/arch/riscv/include/asm/alternative.h b/arch/riscv/include/asm/alternative.h
> > > index 33eae9541684..3baf32e05b46 100644
> > > --- a/arch/riscv/include/asm/alternative.h
> > > +++ b/arch/riscv/include/asm/alternative.h
> > > @@ -33,12 +33,12 @@ void riscv_alternative_fix_jal(void *alt_ptr, unsigned int len,
> > >                                int patch_offset);
> > >
> > >  struct alt_entry {
> > > -       void *old_ptr;           /* address of original instruciton or data  */
> > > -       void *alt_ptr;           /* address of replacement instruction or data */
> > > -       unsigned long vendor_id; /* cpu vendor id */
> > > -       unsigned long alt_len;   /* The replacement size */
> > > -       unsigned int errata_id;  /* The errata id */
> > > -} __packed;
> > > +       s32 old_offset;         /* offset to original instruciton or data  */
> > > +       s32 alt_offset;         /* offset to replacement instruction or data */
> > > +       u16 vendor_id;          /* cpu vendor id */
> > > +       u16 alt_len;            /* The replacement size */
> > > +       u32 errata_id;          /* The errata id */
> > > +};
> > >
> > >  struct errata_checkfunc_id {
> > >         unsigned long vendor_id;
> > > diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
> > > index 6244be5cd94a..adeac90b1d8e 100644
> > > --- a/arch/riscv/kernel/cpufeature.c
> > > +++ b/arch/riscv/kernel/cpufeature.c
> > > @@ -257,6 +257,7 @@ void __init_or_module riscv_cpufeature_patch_func(struct alt_entry *begin,
> > >                                                   unsigned int stage)
> > >  {
> > >         struct alt_entry *alt;
> > > +       void *oldptr, *updptr;
> > >
> > >         if (stage == RISCV_ALTERNATIVES_EARLY_BOOT)
> > >                 return;
> > > @@ -270,17 +271,15 @@ void __init_or_module riscv_cpufeature_patch_func(struct alt_entry *begin,
> > >                         continue;
> > >                 }
> > >
> > > +               oldptr = (void *)&alt->old_offset + alt->old_offset;
> > > +               updptr = (void *)&alt->alt_offset + alt->alt_offset;
> > >                 if (!__riscv_isa_extension_available(NULL, alt->errata_id))
> > >                         continue;
> > >
> > >                 /* do the basic patching */
> > > -               patch_text_nosync(alt->old_ptr, alt->alt_ptr, alt->alt_len);
> > > -               riscv_alternative_fix_auipc_jalr(alt->old_ptr,
> > > -                                                alt->alt_len,
> > > -                                                alt->old_ptr - alt->alt_ptr);
> > > -               riscv_alternative_fix_jal(alt->old_ptr,
> > > -                                         alt->alt_len,
> > > -                                         alt->old_ptr - alt->alt_ptr);
> > > +               patch_text_nosync(oldptr, updptr, alt->alt_len);
> > > +               riscv_alternative_fix_auipc_jalr(oldptr, alt->alt_len, oldptr - updptr);
> > > +               riscv_alternative_fix_jal(oldptr, alt->alt_len, oldptr - updptr);
> > >         }
> > >  }
> > >  #endif
> > > --
> > > 2.37.2
> > >
> >
> >
> > --
> > Best Regards
> >  Guo Ren



-- 
Best Regards
 Guo Ren

WARNING: multiple messages have this Message-ID (diff)
From: Guo Ren <guoren@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 09/13] riscv: switch to relative alternative entries
Date: Tue, 6 Dec 2022 12:34:40 +0800	[thread overview]
Message-ID: <CAJF2gTQ98fyTNc6d3PJrkMjUjUstN8s1FcRNyZQCLiN5CV5NCw@mail.gmail.com> (raw)
In-Reply-To: <Y44LuRcQYPnVnFje@xhacker>

On Mon, Dec 5, 2022 at 11:28 PM Jisheng Zhang <jszhang@kernel.org> wrote:
>
> On Mon, Dec 05, 2022 at 08:51:41AM +0800, Guo Ren wrote:
> > On Mon, Dec 5, 2022 at 1:57 AM Jisheng Zhang <jszhang@kernel.org> wrote:
> > >
> > > Instead of using absolute addresses for both the old instrucions and
> > > the alternative instructions, use offsets relative to the alt_entry
> > > values. So we can not only cut the size of the alternative entry, but
> > > also meet the prerequisite for patching alternatives in the vDSO,
> > > since absolute alternative entries are subject to dynamic relocation,
> > > which is incompatible with the vDSO building.
> > >
> > > Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
> > > ---
> > >  arch/riscv/errata/sifive/errata.c           |  4 +++-
> > >  arch/riscv/errata/thead/errata.c            | 11 ++++++++---
> > >  arch/riscv/include/asm/alternative-macros.h | 20 ++++++++++----------
> > >  arch/riscv/include/asm/alternative.h        | 12 ++++++------
> > >  arch/riscv/kernel/cpufeature.c              | 13 ++++++-------
> > >  5 files changed, 33 insertions(+), 27 deletions(-)
> > >
> > > diff --git a/arch/riscv/errata/sifive/errata.c b/arch/riscv/errata/sifive/errata.c
> > > index 1031038423e7..0e537cdfd324 100644
> > > --- a/arch/riscv/errata/sifive/errata.c
> > > +++ b/arch/riscv/errata/sifive/errata.c
> > > @@ -107,7 +107,9 @@ void __init_or_module sifive_errata_patch_func(struct alt_entry *begin,
> > >
> > >                 tmp = (1U << alt->errata_id);
> > >                 if (cpu_req_errata & tmp) {
> > > -                       patch_text_nosync(alt->old_ptr, alt->alt_ptr, alt->alt_len);
> > > +                       patch_text_nosync((void *)&alt->old_offset + alt->old_offset,
> > > +                                         (void *)&alt->alt_offset + alt->alt_offset,
> >  (void *)&alt->alt_offset + alt->alt_offset. ??!!
>
> Hi Guo,
>
> what's the problem? I can't catch your meaning, could you please proide
> more details?
Can you explain why:

alt->old_ptr = (void *)&alt->old_offset + alt->old_offset

| offset | <- &offset
| ...       |
| value | <- ptr = &offset + offset

I don't make sense of the above.

>
> Thanks
>
> >
> > > +                                         alt->alt_len);
> > >                         cpu_apply_errata |= tmp;
> > >                 }
> > >         }
> > > diff --git a/arch/riscv/errata/thead/errata.c b/arch/riscv/errata/thead/errata.c
> > > index 21546937db39..2a6e335b5a32 100644
> > > --- a/arch/riscv/errata/thead/errata.c
> > > +++ b/arch/riscv/errata/thead/errata.c
> > > @@ -68,6 +68,7 @@ void __init_or_module thead_errata_patch_func(struct alt_entry *begin, struct al
> > >         struct alt_entry *alt;
> > >         u32 cpu_req_errata = thead_errata_probe(stage, archid, impid);
> > >         u32 tmp;
> > > +       void *oldptr, *updptr;
> > >
> > >         for (alt = begin; alt < end; alt++) {
> > >                 if (alt->vendor_id != THEAD_VENDOR_ID)
> > > @@ -77,12 +78,16 @@ void __init_or_module thead_errata_patch_func(struct alt_entry *begin, struct al
> > >
> > >                 tmp = (1U << alt->errata_id);
> > >                 if (cpu_req_errata & tmp) {
> > > +                       oldptr = (void *)&alt->old_offset + alt->old_offset;
> > > +                       updptr = (void *)&alt->alt_offset + alt->alt_offset;
> > > +
> > >                         /* On vm-alternatives, the mmu isn't running yet */
> > >                         if (stage == RISCV_ALTERNATIVES_EARLY_BOOT)
> > > -                               memcpy((void *)__pa_symbol(alt->old_ptr),
> > > -                                      (void *)__pa_symbol(alt->alt_ptr), alt->alt_len);
> > > +                               memcpy((void *)__pa_symbol(oldptr),
> > > +                                      (void *)__pa_symbol(updptr),
> > > +                                      alt->alt_len);
> > >                         else
> > > -                               patch_text_nosync(alt->old_ptr, alt->alt_ptr, alt->alt_len);
> > > +                               patch_text_nosync(oldptr, updptr, alt->alt_len);
> > >                 }
> > >         }
> > >
> > > diff --git a/arch/riscv/include/asm/alternative-macros.h b/arch/riscv/include/asm/alternative-macros.h
> > > index ec2f3f1b836f..dd40727bc859 100644
> > > --- a/arch/riscv/include/asm/alternative-macros.h
> > > +++ b/arch/riscv/include/asm/alternative-macros.h
> > > @@ -7,11 +7,11 @@
> > >  #ifdef __ASSEMBLY__
> > >
> > >  .macro ALT_ENTRY oldptr newptr vendor_id errata_id new_len
> > > -       RISCV_PTR \oldptr
> > > -       RISCV_PTR \newptr
> > > -       REG_ASM \vendor_id
> > > -       REG_ASM \new_len
> > > -       .word   \errata_id
> > > +       .long \oldptr - .
> > > +       .long \newptr - .
> > > +       .short \vendor_id
> > > +       .short \new_len
> > > +       .long \errata_id
> > >  .endm
> > >
> > >  .macro ALT_NEW_CONTENT vendor_id, errata_id, enable = 1, new_c : vararg
> > > @@ -75,11 +75,11 @@
> > >  #include <linux/stringify.h>
> > >
> > >  #define ALT_ENTRY(oldptr, newptr, vendor_id, errata_id, newlen)                \
> > > -       RISCV_PTR " " oldptr "\n"                                       \
> > > -       RISCV_PTR " " newptr "\n"                                       \
> > > -       REG_ASM " " vendor_id "\n"                                      \
> > > -       REG_ASM " " newlen "\n"                                         \
> > > -       ".word " errata_id "\n"
> > > +       ".long  ((" oldptr ") - .) \n"                                  \
> > > +       ".long  ((" newptr ") - .) \n"                                  \
> > > +       ".short " vendor_id "\n"                                        \
> > > +       ".short " newlen "\n"                                           \
> > > +       ".long  " errata_id "\n"
> > >
> > >  #define ALT_NEW_CONTENT(vendor_id, errata_id, enable, new_c)           \
> > >         ".if " __stringify(enable) " == 1\n"                            \
> > > diff --git a/arch/riscv/include/asm/alternative.h b/arch/riscv/include/asm/alternative.h
> > > index 33eae9541684..3baf32e05b46 100644
> > > --- a/arch/riscv/include/asm/alternative.h
> > > +++ b/arch/riscv/include/asm/alternative.h
> > > @@ -33,12 +33,12 @@ void riscv_alternative_fix_jal(void *alt_ptr, unsigned int len,
> > >                                int patch_offset);
> > >
> > >  struct alt_entry {
> > > -       void *old_ptr;           /* address of original instruciton or data  */
> > > -       void *alt_ptr;           /* address of replacement instruction or data */
> > > -       unsigned long vendor_id; /* cpu vendor id */
> > > -       unsigned long alt_len;   /* The replacement size */
> > > -       unsigned int errata_id;  /* The errata id */
> > > -} __packed;
> > > +       s32 old_offset;         /* offset to original instruciton or data  */
> > > +       s32 alt_offset;         /* offset to replacement instruction or data */
> > > +       u16 vendor_id;          /* cpu vendor id */
> > > +       u16 alt_len;            /* The replacement size */
> > > +       u32 errata_id;          /* The errata id */
> > > +};
> > >
> > >  struct errata_checkfunc_id {
> > >         unsigned long vendor_id;
> > > diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
> > > index 6244be5cd94a..adeac90b1d8e 100644
> > > --- a/arch/riscv/kernel/cpufeature.c
> > > +++ b/arch/riscv/kernel/cpufeature.c
> > > @@ -257,6 +257,7 @@ void __init_or_module riscv_cpufeature_patch_func(struct alt_entry *begin,
> > >                                                   unsigned int stage)
> > >  {
> > >         struct alt_entry *alt;
> > > +       void *oldptr, *updptr;
> > >
> > >         if (stage == RISCV_ALTERNATIVES_EARLY_BOOT)
> > >                 return;
> > > @@ -270,17 +271,15 @@ void __init_or_module riscv_cpufeature_patch_func(struct alt_entry *begin,
> > >                         continue;
> > >                 }
> > >
> > > +               oldptr = (void *)&alt->old_offset + alt->old_offset;
> > > +               updptr = (void *)&alt->alt_offset + alt->alt_offset;
> > >                 if (!__riscv_isa_extension_available(NULL, alt->errata_id))
> > >                         continue;
> > >
> > >                 /* do the basic patching */
> > > -               patch_text_nosync(alt->old_ptr, alt->alt_ptr, alt->alt_len);
> > > -               riscv_alternative_fix_auipc_jalr(alt->old_ptr,
> > > -                                                alt->alt_len,
> > > -                                                alt->old_ptr - alt->alt_ptr);
> > > -               riscv_alternative_fix_jal(alt->old_ptr,
> > > -                                         alt->alt_len,
> > > -                                         alt->old_ptr - alt->alt_ptr);
> > > +               patch_text_nosync(oldptr, updptr, alt->alt_len);
> > > +               riscv_alternative_fix_auipc_jalr(oldptr, alt->alt_len, oldptr - updptr);
> > > +               riscv_alternative_fix_jal(oldptr, alt->alt_len, oldptr - updptr);
> > >         }
> > >  }
> > >  #endif
> > > --
> > > 2.37.2
> > >
> >
> >
> > --
> > Best Regards
> >  Guo Ren



-- 
Best Regards
 Guo Ren

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linux-riscv mailing list
linux-riscv@lists.infradead.org
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  reply	other threads:[~2022-12-06  4:35 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
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 [this message]
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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