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Date: Tue, 15 Sep 2020 10:24:25 -0700 From: Linus Torvalds <torvalds@...ux-foundation.org> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, stable <stable@...r.kernel.org>, Colin Ian King <colin.king@...onical.com>, Leon Romanovsky <leonro@...dia.com>, Sasha Levin <sashal@...nel.org> Subject: Re: [PATCH 5.8 108/177] gcov: Disable gcov build with GCC 10 On Tue, Sep 15, 2020 at 7:28 AM Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote: > > GCOV built with GCC 10 doesn't initialize n_function variable. This > produces different kernel panics as was seen by Colin in Ubuntu and me > in FC 32. > > As a workaround, let's disable GCOV build for broken GCC 10 version. Oh, Peter Oberparleiter actually figured out what was wrong, and we have commit 40249c696207 ("gcov: add support for GCC 10.1") upstream that enables it again with the fix for the changed semantics in gcc-10. Linus
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