Re: [tip:x86/mm] x86/mm/cpa: Fix populate_pgd(): Stop trying to deallocate failed PUDs
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- Subject: Re: [tip:x86/mm] x86/mm/cpa: Fix populate_pgd(): Stop trying to deallocate failed PUDs
- From: Nicolai Stange <nicstange@xxxxxxxxx>
- Date: Sat, 23 Jul 2016 22:42:37 +0200
- Cc: linux-tip-commits@xxxxxxxxxxxxxxx, mingo@xxxxxxxxxx, peterz@xxxxxxxxxxxxx, dvlasenk@xxxxxxxxxx, krinkin.m.u@xxxxxxxxx, toshi.kani@xxxxxx, mcgrof@xxxxxxxx, jpoimboe@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Valdis.Kletnieks@xxxxxx, brgerst@xxxxxxxxx, tglx@xxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, bp@xxxxxxxxx, luto@xxxxxxxxxx, hpa@xxxxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx
- In-reply-to: <tip-530dd8d4b9daf77e3e5d145a26210d91ced954c7@git.kernel.org> (tip-bot for Andy Lutomirski's message of "Sat, 23 Jul 2016 12:15:54 -0700")
- References: <21cbc2822aa18aa812c0215f4231dbf5f65afa7f.1469249789.git.luto@kernel.org> <tip-530dd8d4b9daf77e3e5d145a26210d91ced954c7@git.kernel.org>
- User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.95 (gnu/linux)
tip-bot for Andy Lutomirski <tipbot@xxxxxxxxx> writes:
> Valdis Kletnieks bisected a boot failure back to this recent commit:
>
> 360cb4d15567 ("x86/mm/cpa: In populate_pgd(), don't set the PGD entry until it's populated")
>
FYI, I faced the same issue and this patch, applied directly on top of
the faulty 360cb4d15567, fixes it for me.
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