From: Guo Ren <ren_guo@c-sky.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
David Miller <davem@davemloft.net>,
gregkh <gregkh@linuxfoundation.org>,
Christoph Hellwig <hch@infradead.org>,
Marc Zyngier <marc.zyngier@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Peter Zijlstra <peterz@infradead.org>,
Rob Herring <robh@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
DTML <devicetree@vger.kernel.org>,
Rob Herring <robh+dt@kernel.org>,
c-sky_gcc_upstream@c-sky.com
Subject: Re: [PATCH V9 15/21] csky: Debug and Ptrace GDB
Date: Thu, 18 Oct 2018 11:17:33 +0800 [thread overview]
Message-ID: <20181018031733.GB15088@guoren-Inspiron-7460> (raw)
In-Reply-To: <CAK8P3a1hByh-k8mng8a22C1-tNU0yn1LNvoaCmHp4RpP_GUs4Q@mail.gmail.com>
On Wed, Oct 17, 2018 at 05:46:56PM +0200, Arnd Bergmann wrote:
> On Tue, Oct 16, 2018 at 5:06 AM Guo Ren <ren_guo@c-sky.com> wrote:
> >
> > This patch adds arch ptrace implementation, stack dump and bug.h.
> >
> > Signed-off-by: Guo Ren <ren_guo@c-sky.com>
> > Cc: Arnd Bergmann <arnd@arndb.de>
>
> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
>
> > diff --git a/arch/csky/include/asm/bug.h b/arch/csky/include/asm/bug.h
> > new file mode 100644
> > index 0000000..bd7b323
> > --- /dev/null
> > +++ b/arch/csky/include/asm/bug.h
> > @@ -0,0 +1,26 @@
> > +/* SPDX-License-Identifier: GPL-2.0 */
> > +// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
> > +
> > +#ifndef __ASM_CSKY_BUG_H
> > +#define __ASM_CSKY_BUG_H
> > +
> > +#include <linux/compiler.h>
> > +#include <linux/const.h>
> > +#include <linux/types.h>
> > +
> > +#define BUG() \
> > +do { \
> > + asm volatile ("bkpt\n"); \
> > + unreachable(); \
> > +} while (0)
>
> Since you have a breakpoint instruction, a nice addition might
> be to use that for implementing WARN_ON as well, whenever you
> get around to doing that. It's certainly not required for the initial
> merge.
Thx for remind and I'll improve it next.
Best Regards
Guo Ren
next prev parent reply other threads:[~2018-10-18 3:18 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-16 2:58 [PATCH V9 00/21] C-SKY(csky) Linux Kernel Port Guo Ren
2018-10-16 2:58 ` [PATCH V9 01/21] csky: Build infrastructure Guo Ren
2018-10-23 0:08 ` Guo Ren
2018-10-24 22:53 ` Arnd Bergmann
2018-10-25 17:04 ` Guo Ren
2018-10-16 2:58 ` [PATCH V9 02/21] csky: defconfig Guo Ren
2018-10-17 14:56 ` Arnd Bergmann
2018-10-16 2:58 ` [PATCH V9 03/21] csky: Kernel booting Guo Ren
2018-10-17 14:58 ` Arnd Bergmann
2018-10-16 2:58 ` [PATCH V9 04/21] csky: Exception handling and mm-fault Guo Ren
2018-10-17 14:59 ` Arnd Bergmann
2018-10-16 2:58 ` [PATCH V9 05/21] csky: System Call Guo Ren
2018-10-17 15:02 ` Arnd Bergmann
2018-10-18 2:02 ` Guo Ren
2018-10-16 2:58 ` [PATCH V9 06/21] csky: Cache and TLB routines Guo Ren
2018-10-17 15:08 ` Arnd Bergmann
2018-10-16 2:58 ` [PATCH V9 07/21] csky: MMU and page table management Guo Ren
2018-10-17 15:06 ` Arnd Bergmann
2018-10-18 2:05 ` Guo Ren
2018-10-16 2:58 ` [PATCH V9 08/21] csky: Process management and Signal Guo Ren
2018-10-17 15:11 ` Arnd Bergmann
2018-10-18 2:37 ` Guo Ren
2018-10-16 2:58 ` [PATCH V9 09/21] csky: VDSO and rt_sigreturn Guo Ren
2018-10-17 15:13 ` Arnd Bergmann
2018-10-16 2:58 ` [PATCH V9 10/21] csky: IRQ handling Guo Ren
2018-10-17 15:14 ` Arnd Bergmann
2018-10-18 2:39 ` Guo Ren
2018-10-16 2:58 ` [PATCH V9 11/21] csky: Atomic operations Guo Ren
2018-10-17 15:17 ` Arnd Bergmann
2018-10-18 2:40 ` Guo Ren
2018-10-21 20:55 ` Peter Zijlstra
2018-10-22 1:52 ` Guo Ren
2018-10-16 2:58 ` [PATCH V9 12/21] csky: ELF and module probe Guo Ren
2018-10-17 15:18 ` Arnd Bergmann
2018-10-18 2:49 ` Guo Ren
2018-10-18 8:31 ` Arnd Bergmann
2018-10-16 2:58 ` [PATCH V9 13/21] csky: Library functions Guo Ren
2018-10-17 15:24 ` Arnd Bergmann
2018-10-18 3:10 ` Guo Ren
2018-10-16 2:58 ` [PATCH V9 14/21] csky: User access Guo Ren
2018-10-17 15:37 ` Arnd Bergmann
2018-10-16 2:58 ` [PATCH V9 15/21] csky: Debug and Ptrace GDB Guo Ren
2018-10-17 15:46 ` Arnd Bergmann
2018-10-18 3:17 ` Guo Ren [this message]
2018-10-16 2:58 ` [PATCH V9 16/21] csky: SMP support Guo Ren
2018-10-17 15:47 ` Arnd Bergmann
2018-10-16 2:58 ` [PATCH V9 17/21] csky: Misc headers Guo Ren
2018-10-17 15:49 ` Arnd Bergmann
2018-10-16 2:58 ` [PATCH V9 18/21] dt-bindings: csky CPU Bindings Guo Ren
2018-10-17 15:50 ` Arnd Bergmann
2018-10-18 3:21 ` Guo Ren
2018-10-18 3:45 ` Guo Ren
2018-10-18 14:31 ` Rob Herring
2018-10-19 2:19 ` Guo Ren
2018-10-16 2:58 ` [PATCH V9 19/21] dt-bindings: Add vendor prefix for csky Guo Ren
2018-10-16 2:58 ` [PATCH V9 20/21] MAINTAINERS: Add csky Guo Ren
2018-10-17 15:51 ` Arnd Bergmann
2018-10-16 5:48 ` [PATCH V9 21/21] csky: support dword access for get_user_size() Guo Ren
2018-10-17 15:44 ` Arnd Bergmann
2018-10-18 3:41 ` Guo Ren
2018-10-18 8:34 ` Arnd Bergmann
2018-10-18 8:57 ` Guo Ren
2018-10-24 7:17 ` Arnd Bergmann
2018-10-25 17:08 ` Guo Ren
2018-10-17 15:58 ` [PATCH V9 00/21] C-SKY(csky) Linux Kernel Port Arnd Bergmann
2018-10-18 4:10 ` Guo Ren
2018-10-18 8:36 ` Arnd Bergmann
2018-10-18 9:03 ` Guo Ren
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