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From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: "Wim Van Sebroeck" <wim@linux-watchdog.org>,
	"Guenter Roeck" <linux@roeck-us.net>,
	linux-watchdog@vger.kernel.org,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Christian Storm" <christian.storm@siemens.com>,
	"Mantas Mikulėnas" <grawity@gmail.com>
Subject: Re: [PATCH] watchdog: iTCO_wdt: Fix detection of SMI-off case
Date: Mon, 26 Jul 2021 15:01:15 +0300	[thread overview]
Message-ID: <CAHp75VfCydLguFX=MSoAQ_gayra5ovuwLxcY7m_pHiafvB7b5w@mail.gmail.com> (raw)
In-Reply-To: <d84f8e06-f646-8b43-d063-fb11f4827044@siemens.com>

On Mon, Jul 26, 2021 at 2:46 PM Jan Kiszka <jan.kiszka@siemens.com> wrote:
>
> From: Jan Kiszka <jan.kiszka@siemens.com>
>
> Obviously, the test needs to run against the register content, not its
> address.
>
> Fixes: cb011044e34c ("watchdog: iTCO_wdt: Account for rebooting on second timeout")
> Reported-by: Mantas Mikulėnas <grawity@gmail.com>

> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

Missed SoB of the submitter (hint: configure your Git to make sure
that submitter and author are the same in terms of name-email).

...

>         if (p->smi_res &&
> -           (SMI_EN(p) & (TCO_EN | GBL_SMI_EN)) != (TCO_EN | GBL_SMI_EN))
> +           (inl(SMI_EN(p)) & (TCO_EN | GBL_SMI_EN)) != (TCO_EN | GBL_SMI_EN))
>                 tmrval /= 2;

There are so many parentheses, perhaps

#define TCO_GBL_SMI_EN   (TCO_EN | GBL_SMI_EN)
...
       if (p->smi_res &&
           (inl(SMI_EN(p)) & TCO_GBL_SMI_EN) != TCO_GBL_SMI_EN)
               tmrval /= 2;

?

-- 
With Best Regards,
Andy Shevchenko

  reply	other threads:[~2021-07-26 12:01 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-26 11:46 Jan Kiszka
2021-07-26 12:01 ` Andy Shevchenko [this message]
2021-07-26 12:04   ` Jan Kiszka
2021-07-26 13:40     ` Andy Shevchenko
2021-07-26 13:59       ` Guenter Roeck
2021-07-26 14:05         ` Jan Kiszka
2021-07-26 14:51           ` Andy Shevchenko
2021-07-26 17:10             ` Jan Kiszka
2021-07-26 21:45               ` Andy Shevchenko
2021-07-26 12:03 ` Paolo Bonzini
2021-07-26 12:05   ` Jan Kiszka
2021-07-26 13:51     ` Guenter Roeck
2021-07-26 13:44 ` Guenter Roeck
2021-07-26 16:59 ` Mantas Mikulėnas
2021-08-20 13:45 ` Jan Kiszka
2021-08-30 19:47   ` Jan Kiszka
2021-08-30 20:00     ` Guenter Roeck
2021-09-07 20:14       ` Wim Van Sebroeck

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