Re: [tip:x86/urgent] x86/mm: Fix boot crash caused by incorrect loop count calculation in sync_global_pgds()
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- Subject: Re: [tip:x86/urgent] x86/mm: Fix boot crash caused by incorrect loop count calculation in sync_global_pgds()
- From: Ingo Molnar <mingo@xxxxxxxxxx>
- Date: Thu, 22 Jun 2017 09:22:20 +0200
- Cc: Dave Young <dyoung@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, jinb.park7@xxxxxxxxx, jpoimboe@xxxxxxxxxx, Yasuaki Ishimatsu <yasu.isimatu@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Jeff Moyer <jmoyer@xxxxxxxxxx>, yinghai@xxxxxxxxxx, luto@xxxxxxxxxx, "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Thomas Garnier <thgarnie@xxxxxxxxxx>, Baoquan He <bhe@xxxxxxxxxx>, dvlasenk@xxxxxxxxxx, Borislav Petkov <bp@xxxxxxxxx>, brgerst@xxxxxxxxx, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, stable@xxxxxxxxxxxxxxx, linux-tip-commits@xxxxxxxxxxxxxxx
- In-reply-to: <CAA9_cmcNWJvnbd5aD3U8jnn=vQqtJJpiBSpZOct2TpAOEaZAXg@mail.gmail.com>
- References: <1493864747-8506-1-git-send-email-bhe@redhat.com> <tip-fc5f9d5f151c9fff21d3d1d2907b888a5aec3ff7@git.kernel.org> <CAA9_cmcNWJvnbd5aD3U8jnn=vQqtJJpiBSpZOct2TpAOEaZAXg@mail.gmail.com>
- User-agent: NeoMutt/20170113 (1.7.2)
* Dan Williams <dan.j.williams@xxxxxxxxx> wrote:
> [ adding -stable ]
>
> The patch below is upstream as commit fc5f9d5f151c "x86/mm: Fix boot
> crash caused by incorrect loop count calculation in
> sync_global_pgds()". The referenced bug potentially affects all kaslr
> enabled kernels with > 512GB of memory. Please apply this patch to all
> current -stable kernels.
Yeah, that looks like a fix worth having in -stable.
Thanks,
Ingo
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