linux-kernel - Re: [bisected] 3c8ba0d61d04ced9f8d9ff93977995a9e4e96e91 oopses on s390

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Message-Id: <alpine.LFD.2.21.1804091926080.1698@schleppi>
Date:   Mon, 9 Apr 2018 19:27:43 +0200 (CEST)
From:   Sebastian Ott <sebott@...ux.ibm.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
cc:     Kees Cook <keescook@...omium.org>,
        Sebastian Ott <sebott@...ux.vnet.ibm.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Martin Uecker <Martin.Uecker@....uni-goettingen.de>,
        Ingo Molnar <mingo@...nel.org>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Subject: Re: [bisected] 3c8ba0d61d04ced9f8d9ff93977995a9e4e96e91 oopses on
 s390

On Mon, 9 Apr 2018, Linus Torvalds wrote:
> On Mon, Apr 9, 2018 at 10:03 AM, Linus Torvalds
> <torvalds@...ux-foundation.org> wrote:
> >
> > Our old "min()" had the internal variables called "min1" and "min2",
> > which is crazy too.
> 
> Actually, no, it used the really cumbersome "__UNIQUE_ID" and then
> passed that odd as the name 'min1/2',
> 
> Ugh, I find that really nasty to read, but it was obviously done
> because we hit this before.
> 
> And our __UNIQUE_ID() macro is garbage anyway, since it falls back on
> the line number, which doesn't really work for macros anyway. But we
> have proper macros for both clang and gcc, so maybe we should ignore
> the broken fallback.
> 
> A patch like the attached, perhaps?

I applied this on top of 38c23685b273cfb4ccf31a199feccce3bdcb5d83
and everything works as expected.

Thanks!