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From: Daniel Thompson <daniel.thompson@linaro.org>
To: Doug Anderson <dianders@chromium.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Sumit Garg <sumit.garg@linaro.org>,
	Marc Zyngier <maz@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	ito-yuichi@fujitsu.com, kgdb-bugreport@lists.sourceforge.net,
	Chen-Yu Tsai <wens@csie.org>,
	Masayoshi Mizuma <msys.mizuma@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ard Biesheuvel <ardb@kernel.org>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	linux-arm-kernel@lists.infradead.org,
	Stephen Boyd <swboyd@chromium.org>,
	Lecopzer Chen <lecopzer.chen@mediatek.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-perf-users@vger.kernel.org,
	Jason Wessel <jason.wessel@windriver.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v8 08/10] kgdb: Provide a stub kgdb_nmicallback() if !CONFIG_KGDB
Date: Fri, 12 May 2023 14:52:25 +0100	[thread overview]
Message-ID: <20230512135225.GA217187@aspen.lan> (raw)
In-Reply-To: <CAD=FV=X=tm_smsi9itwK_Ku2vU0d676JT+MK3fkALn5QMsduiQ@mail.gmail.com>

On Thu, May 11, 2023 at 07:34:30AM -0700, Doug Anderson wrote:
> Hi,
>
> On Wed, Apr 19, 2023 at 3:57 PM Douglas Anderson <dianders@chromium.org> wrote:
> >
> > To save architectures from needing to wrap the call in #ifdefs, add a
> > stub no-op version of kgdb_nmicallback(), which returns 1 if it didn't
> > handle anything.
> >
> > Signed-off-by: Douglas Anderson <dianders@chromium.org>
> > ---
> >
> > Changes in v8:
> > - "Provide a stub kgdb_nmicallback() if !CONFIG_KGDB" new for v8
> >
> >  include/linux/kgdb.h | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
> > index 87713bd390f3..9ce628ee47cc 100644
> > --- a/include/linux/kgdb.h
> > +++ b/include/linux/kgdb.h
> > @@ -377,5 +377,6 @@ extern void kgdb_free_init_mem(void);
> >  #define dbg_late_init()
> >  static inline void kgdb_panic(const char *msg) {}
> >  static inline void kgdb_free_init_mem(void) { }
> > +static int kgdb_nmicallback(int cpu, void *regs) { return 1; }
>
> FWIW: I just realized that the above needs an "inline" to make the
> compiler not complain. I'm still hoping for more feedback on the
> series, but I'll plan to fix that in the next spin.

On the next spin feel free to add:
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>


Daniel.

  reply	other threads:[~2023-05-12 13:52 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-19 22:55 [PATCH v8 00/10] arm64: Add framework to turn an IPI as NMI Douglas Anderson
2023-04-19 22:55 ` [PATCH v8 01/10] arm64: Add framework to turn " Douglas Anderson
2023-04-19 22:55 ` [PATCH v8 02/10] irqchip/gic-v3: Enable support for SGIs to act as NMIs Douglas Anderson
2023-04-19 22:55 ` [PATCH v8 03/10] arm64: smp: Assign and setup an IPI as NMI Douglas Anderson
2023-04-24 17:53   ` Doug Anderson
2023-04-19 22:55 ` [PATCH v8 04/10] nmi: backtrace: Allow runtime arch specific override Douglas Anderson
2023-04-19 22:55 ` [PATCH v8 05/10] arm64: ipi_nmi: Add support for NMI backtrace Douglas Anderson
2023-04-19 22:56 ` [PATCH v8 06/10] arm64: idle: Tag the arm64 idle functions as __cpuidle Douglas Anderson
2023-05-10 16:43   ` Mark Rutland
2023-05-10 21:13     ` Doug Anderson
2023-04-19 22:56 ` [PATCH v8 07/10] kgdb: Expose default CPUs roundup fallback mechanism Douglas Anderson
2023-05-12 13:48   ` Daniel Thompson
2023-05-15 23:21     ` Doug Anderson
2023-06-01 21:47       ` Doug Anderson
2023-04-19 22:56 ` [PATCH v8 08/10] kgdb: Provide a stub kgdb_nmicallback() if !CONFIG_KGDB Douglas Anderson
2023-05-11 14:34   ` Doug Anderson
2023-05-12 13:52     ` Daniel Thompson [this message]
2023-04-19 22:56 ` [PATCH v8 09/10] arm64: kgdb: Roundup cpus using IPI as NMI Douglas Anderson
2023-05-12 14:00   ` Daniel Thompson
2023-05-15 23:11     ` Doug Anderson
2023-04-19 22:56 ` [PATCH v8 10/10] arm64: ipi_nmi: Fallback to a regular IPI if NMI isn't enabled Douglas Anderson
2023-05-10 15:28 ` [PATCH v8 00/10] arm64: Add framework to turn an IPI as NMI Doug Anderson
2023-05-10 16:30   ` Mark Rutland
2023-05-10 16:42     ` Doug Anderson
2023-05-16 10:09       ` Sumit Garg
2023-06-01 21:46       ` Doug Anderson

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