linux-kernel - Unwinding regression with 379d98ddf413 ("x86: vdso: Use $LD instead of $CC to link")

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Message-ID: <9aa7b39c-707e-c87a-ad4c-f54ff08e3172@redhat.com>
Date:   Fri, 14 Dec 2018 13:48:00 -0800
From:   Laura Abbott <labbott@...hat.com>
To:     Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Alistair Strachan <astrachan@...gle.com>
Cc:     "H. Peter Anvin" <hpa@...or.com>, kernel-team@...roid.com,
        joel@...lfernandes.org, X86 ML <x86@...nel.org>,
        linux-kernel@...r.kernel.org, Florian Weimer <fweimer@...hat.com>,
        Carlos O'Donell <carlos@...hat.com>,
        "H. J. Lu" <hjl.tools@...il.com>
Subject: Unwinding regression with 379d98ddf413 ("x86: vdso: Use $LD instead
 of $CC to link")

Hi,

There are two reports of a regression with unwinding with
379d98ddf413 ("x86: vdso: Use $LD instead of $CC to link")

https://bugzilla.kernel.org/show_bug.cgi?id=201741
https://bugzilla.redhat.com/show_bug.cgi?id=1659295

It looks like the unwinding information has been
stripped out. Any ideas?

Thanks,
Laura