From: Greg KH <gregkh@linuxfoundation.org>
To: Kees Cook <keescook@chromium.org>
Cc: Andi Kleen <andi@firstfloor.org>,
x86@kernel.org, linux-kernel@vger.kernel.org, sashal@kernel.org,
Andi Kleen <ak@linux.intel.com>,
stable@vger.kernel.org
Subject: Re: [PATCH v1] x86: Pin cr4 FSGSBASE
Date: Tue, 26 May 2020 23:16:01 +0200 [thread overview]
Message-ID: <20200526211601.GA166522@kroah.com> (raw)
In-Reply-To: <202005260912.8867B3AA@keescook>
On Tue, May 26, 2020 at 09:15:04AM -0700, Kees Cook wrote:
> On Tue, May 26, 2020 at 08:56:18AM +0200, Greg KH wrote:
> > What about those systems that panic-on-warn?
>
> This is (modulo the general discussion about whether it's the right
> way to check) the correct use for WARN*(). It's an undesirable system
> state; people choosing panic-on-warn want this:
> https://www.kernel.org/doc/html/latest/process/deprecated.html#bug-and-bug-on
Ok, tha's good to know, thanks for that.
greg k-h
next prev parent reply other threads:[~2020-05-26 21:16 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 5:28 [PATCH v1] x86: Pin cr4 FSGSBASE Andi Kleen
2020-05-26 6:56 ` Greg KH
2020-05-26 7:57 ` Peter Zijlstra
2020-05-26 8:17 ` Greg KH
2020-05-26 9:17 ` Peter Zijlstra
2020-05-26 10:16 ` Greg KH
2020-05-26 15:48 ` Andi Kleen
2020-05-26 16:20 ` Kees Cook
2020-05-26 16:32 ` Greg KH
2020-05-26 17:24 ` Wojtek Porczyk
2020-05-27 7:07 ` Greg KH
2020-05-27 10:58 ` Wojtek Porczyk
2020-05-26 16:15 ` Kees Cook
2020-05-26 21:16 ` Greg KH [this message]
2020-05-26 16:38 ` Kees Cook
2020-05-26 23:14 ` Andi Kleen
2020-05-27 10:31 ` Peter Zijlstra
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