linux-kernel - Re: [PATCH v2] init/gcov: allow CONFIG_CONSTRUCTORS on UML to fix module gcov

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Date:   Wed, 20 Jan 2021 18:38:15 +0100
From:   Johannes Berg <johannes@...solutions.net>
To:     Peter Oberparleiter <oberpar@...ux.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>, Jessica Yu <jeyu@...nel.org>,
        linux-um@...ts.infradead.org
Subject: Re: [PATCH v2] init/gcov: allow CONFIG_CONSTRUCTORS on UML to fix
 module gcov

On Wed, 2021-01-20 at 18:04 +0100, Peter Oberparleiter wrote:
> 
> > Tested with a kernel configured with CONFIG_GCOV_KERNEL, without
> > the patch nothing ever appears in /sys/kernel/debug/gcov/ (apart
> > from the reset file), and with it we get the files and they work.
> 
> Just to be sure: could you confirm that this test statement for UML also
> applies to v2, i.e. that it fixes the original problem you were seeing?

Yes, I tested this version too :)

johannes