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 <CAJF2gTSB8rT=g_v=NAE1YmM_qNWAVj=H5mrnty-zPVXOKYCARg@mail.gmail.com> <CAJF2gTQJ1JoYm5P15jWOou8yDayERUuNj_caWxdcFQ=vDm30KA@mail.gmail.com>
In-Reply-To: <CAJF2gTQJ1JoYm5P15jWOou8yDayERUuNj_caWxdcFQ=vDm30KA@mail.gmail.com>
From:   Guo Ren <guoren@kernel.org>
Date:   Tue, 28 Dec 2021 09:53:23 +0800
Message-ID: <CAJF2gTQdk4ZfTnNsXX4m8KoSTgJ+0-CEJ9AKD4R=8oNvs=espA@mail.gmail.com>
Subject: Re: [PATCH 3/3] csky: Fix function name in csky_alignment() and die()
To:     Nathan Chancellor <nathan@kernel.org>
Cc:     "Eric W. Biederman" <ebiederm@xmission.com>,
        Brian Cain <bcain@codeaurora.org>,
        Yoshinori Sato <ysato@users.sourceforge.jp>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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I would pick up csky's & make pull-request immediately.

On Tue, Dec 28, 2021 at 9:47 AM Guo Ren <guoren@kernel.org> wrote:
>
> Sorry mm/fault.c is okay.
>
> Reviewed-by: Guo Ren <guoren@kernel.org>
>
> On Tue, Dec 28, 2021 at 9:46 AM Guo Ren <guoren@kernel.org> wrote:
> >
> > Hi Nathan,
> >
> > Three wrong parts in csky! you forgot mm/fault.c.
> >
> > Eric's patch seems not to cc me? Why arm64 is correct, csky is wrong. -_*!
> >
> > here is the wrong patch part:
> > diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
> > index 9ae24e3b72be1..11a28cace2d25 100644
> > --- a/arch/arm64/mm/fault.c
> > +++ b/arch/arm64/mm/fault.c
> > @@ -302,7 +302,7 @@ static void die_kernel_fault(const char *msg,
> > unsigned long addr,
> > show_pte(addr);
> > die("Oops", regs, esr);
> > bust_spinlocks(0);
> > - do_exit(SIGKILL);
> > + make_task_dead(SIGKILL);
> > }
> > #ifdef CONFIG_KASAN_HW_TAGS
> > diff --git a/arch/csky/abiv1/alignment.c b/arch/csky/abiv1/alignment.c
> > index cb2a0d94a144d..5e2fb45d605cf 100644
> > --- a/arch/csky/abiv1/alignment.c
> > +++ b/arch/csky/abiv1/alignment.c
> > @@ -294,7 +294,7 @@ bad_area:
> > __func__, opcode, rz, rx, imm, addr);
> > show_regs(regs);
> > bust_spinlocks(0);
> > - do_exit(SIGKILL);
> > + make_dead_task(SIGKILL);
> > }
> > force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *)addr);
> > diff --git a/arch/csky/kernel/traps.c b/arch/csky/kernel/traps.c
> > index e5fbf8653a215..88a47035b9256 100644
> > --- a/arch/csky/kernel/traps.c
> > +++ b/arch/csky/kernel/traps.c
> > @@ -109,7 +109,7 @@ void die(struct pt_regs *regs, const char *str)
> > if (panic_on_oops)
> > panic("Fatal exception");
> > if (ret != NOTIFY_STOP)
> > - do_exit(SIGSEGV);
> > + make_dead_task(SIGSEGV);
> > }
> > void do_trap(struct pt_regs *regs, int signo, int code, unsigned long addr)
> > diff --git a/arch/csky/mm/fault.c b/arch/csky/mm/fault.c
> > index 466ad949818a6..7215a46b6b8eb 100644
> > --- a/arch/csky/mm/fault.c
> > +++ b/arch/csky/mm/fault.c
> > @@ -67,7 +67,7 @@ static inline void no_context(struct pt_regs *regs,
> > unsigned long addr)
> > pr_alert("Unable to handle kernel paging request at virtual "
> > "addr 0x%08lx, pc: 0x%08lx\n", addr, regs->pc);
> > die(regs, "Oops");
> > - do_exit(SIGKILL);
> > + make_task_dead(SIGKILL);
> > }
> >
> > On Tue, Dec 28, 2021 at 2:50 AM Nathan Chancellor <nathan@kernel.org> wrote:
> > >
> > > When building ARCH=csky defconfig:
> > >
> > > arch/csky/kernel/traps.c: In function 'die':
> > > arch/csky/kernel/traps.c:112:17: error: implicit declaration of function
> > > 'make_dead_task' [-Werror=implicit-function-declaration]
> > >   112 |                 make_dead_task(SIGSEGV);
> > >       |                 ^~~~~~~~~~~~~~
> > >
> > > The function's name is make_task_dead(), change it so there is no more
> > > build error.
> > >
> > > Fixes: 0e25498f8cd4 ("exit: Add and use make_task_dead.")
> > > Signed-off-by: Nathan Chancellor <nathan@kernel.org>
> > > ---
> > >  arch/csky/abiv1/alignment.c | 2 +-
> > >  arch/csky/kernel/traps.c    | 2 +-
> > >  2 files changed, 2 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/arch/csky/abiv1/alignment.c b/arch/csky/abiv1/alignment.c
> > > index 5e2fb45d605c..2df115d0e210 100644
> > > --- a/arch/csky/abiv1/alignment.c
> > > +++ b/arch/csky/abiv1/alignment.c
> > > @@ -294,7 +294,7 @@ void csky_alignment(struct pt_regs *regs)
> > >                                 __func__, opcode, rz, rx, imm, addr);
> > >                 show_regs(regs);
> > >                 bust_spinlocks(0);
> > > -               make_dead_task(SIGKILL);
> > > +               make_task_dead(SIGKILL);
> > >         }
> > >
> > >         force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *)addr);
> > > diff --git a/arch/csky/kernel/traps.c b/arch/csky/kernel/traps.c
> > > index 88a47035b925..50481d12d236 100644
> > > --- a/arch/csky/kernel/traps.c
> > > +++ b/arch/csky/kernel/traps.c
> > > @@ -109,7 +109,7 @@ void die(struct pt_regs *regs, const char *str)
> > >         if (panic_on_oops)
> > >                 panic("Fatal exception");
> > >         if (ret != NOTIFY_STOP)
> > > -               make_dead_task(SIGSEGV);
> > > +               make_task_dead(SIGSEGV);
> > >  }
> > >
> > >  void do_trap(struct pt_regs *regs, int signo, int code, unsigned long addr)
> > > --
> > > 2.34.1
> > >
> >
> >
> > --
> > Best Regards
> >  Guo Ren
> >
> > ML: https://lore.kernel.org/linux-csky/
>
>
>
> --
> Best Regards
>  Guo Ren
>
> ML: https://lore.kernel.org/linux-csky/


-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/