linux-kernel - Re: [v4.14-rc8 ghes_copy_tofrom_phys] BUG: sleeping function called from invalid context at lib/ioremap.c:165

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Date:   Tue, 7 Nov 2017 21:39:33 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Borislav Petkov <bp@...e.de>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Tyler Baicar <tbaicar@...eaurora.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Len Brown <lenb@...nel.org>, Tony Luck <tony.luck@...el.com>,
        Huang Ying <ying.huang@...el.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Will Deacon <will.deacon@....com>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        Timur Tabi <timur@...eaurora.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [v4.14-rc8 ghes_copy_tofrom_phys] BUG: sleeping function called
 from invalid context at lib/ioremap.c:165

On Tue, Nov 07, 2017 at 12:02:19AM +0100, Borislav Petkov wrote:
>On Tue, Nov 07, 2017 at 06:46:35AM +0800, Fengguang Wu wrote:
>> I can see that in RC8, too:
>
>https://lkml.kernel.org/r/20171106184427.31905-1-james.morse@arm.com
>
>Rafael, you could still queue them for the merge window next week - they
>look pretty straightforward and low risk to me.

Tested-by: Fengguang Wu <fengguang.wu@...el.com>

I tried 100 boots with various test jobs and there is no
more GHES errors.

Thanks,
Fengguang