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References: <20181221193244.3a6ed685@canb.auug.org.au> <20181221162149.GA32500@roeck-us.net>
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From:   Ard Biesheuvel <ard.biesheuvel@linaro.org>
Date:   Fri, 21 Dec 2018 17:33:07 +0100
Message-ID: <CAKv+Gu9v9z71k1TzRuAYaw_NEW2jW+hqztzgJuHxB9qek4eQWA@mail.gmail.com>
Subject: Re: linux-next: Tree for Dec 21
To:     Guenter Roeck <linux@roeck-us.net>
Cc:     Stephen Rothwell <sfr@canb.auug.org.au>,
        Linux Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Joel Fernandes <joel@joelfernandes.org>,
        "Kirill A. Shutemov" <kirill@shutemov.name>,
        Andrew Morton <akpm@linux-foundation.org>,
        Sinan Kaya <okaya@kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
        Chandan Rajendra <chandan@linux.vnet.ibm.com>,
        "Theodore Ts'o" <tytso@mit.edu>, Florian Westphal <fw@strlen.de>,
        "David S. Miller" <davem@davemloft.net>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Wen He <wen.he_1@nxp.com>, Peng Ma <peng.ma@nxp.com>,
        Vinod Koul <vkoul@kernel.org>,
        Palmer Dabbelt <palmer@sifive.com>,
        Heinrich Schuchardt <xypron.glpk@gmx.de>,
        Ingo Molnar <mingo@kernel.org>
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On Fri, 21 Dec 2018 at 17:21, Guenter Roeck <linux@roeck-us.net> wrote:
>
...

> ---
> [8]:
>
> This problem results in a stall on reboot. Reverting the offending patch
> fixes the problem.
>
> # bad: [340ae71f9dd421227a58c14a909b63033745dca4] Add linux-next specific files for 20181221
> # good: [7566ec393f4161572ba6f11ad5171fd5d59b0fbd] Linux 4.20-rc7
> git bisect start 'HEAD' 'v4.20-rc7'
> # good: [9f3de88514b2b5666214f0be3bc98d4e7136a7f1] Merge remote-tracking branch 'mtd/mtd/next'
> git bisect good 9f3de88514b2b5666214f0be3bc98d4e7136a7f1
> # good: [f4dd556a2cc77f672b9ba585aaad094a6fe09cf7] Merge remote-tracking branch 'spi/for-next'
> git bisect good f4dd556a2cc77f672b9ba585aaad094a6fe09cf7
> # bad: [75f0840128c421df5e1741f5df22a34409bb5d72] Merge remote-tracking branch 'char-misc/char-misc-next'
> git bisect bad 75f0840128c421df5e1741f5df22a34409bb5d72
> # bad: [759c7b0b404422c61ad9de57ef74a7fbe32c398c] Merge remote-tracking branch 'edac-amd/for-next'
> git bisect bad 759c7b0b404422c61ad9de57ef74a7fbe32c398c
> # bad: [d05ef4b240949dd78c319b3e8f3f162e5d3e332c] Merge branch 'x86/fpu'
> git bisect bad d05ef4b240949dd78c319b3e8f3f162e5d3e332c
> # bad: [1bce5ee16f83cf13a2a6d95c1bd579384036adff] Merge branch 'locking/atomics'
> git bisect bad 1bce5ee16f83cf13a2a6d95c1bd579384036adff
> # good: [eaaf055f27a0eaaed0cdb0d3aa8d7fb892829ccb] Merge branches 'bug.2018.11.12a', 'consolidate.2018.12.01a', 'doc.2018.11.12a', 'fixes.2018.11.12a', 'initrd.2018.11.08b', 'sil.2018.11.12a' and 'srcu.2018.11.27a' into HEAD
> git bisect good eaaf055f27a0eaaed0cdb0d3aa8d7fb892829ccb
> # good: [a97b5635d2d670fc351f7d34a84e040a2597c185] Merge branch 'core/rcu'
> git bisect good a97b5635d2d670fc351f7d34a84e040a2597c185
> # bad: [d0e9d5b657c44e0d2584ca6272852ddc6da97b7a] Merge branch 'efi/urgent'
> git bisect bad d0e9d5b657c44e0d2584ca6272852ddc6da97b7a
> # good: [47c33a095e1fae376d74b4160a0d73c1a4e73969] x86/efi: Move efi_<reserve/free>_boot_services() to arch/x86
> git bisect good 47c33a095e1fae376d74b4160a0d73c1a4e73969
> # good: [80424b02d42bb22f8ff8839cb93a84ade53b39c0] efi: Reduce the amount of memblock reservations for persistent allocations
> git bisect good 80424b02d42bb22f8ff8839cb93a84ade53b39c0
> # bad: [793423cf07e51e3185b8680167115813589c057d] efi: Align 'efi_guid_t' to 64 bits
> git bisect bad 793423cf07e51e3185b8680167115813589c057d
> # good: [a0fc5578f1d63ba6e80d9509991b4c14f6eaf488] efi: Let kmemleak ignore false positives
> git bisect good a0fc5578f1d63ba6e80d9509991b4c14f6eaf488
> # first bad commit: [793423cf07e51e3185b8680167115813589c057d] efi: Align 'efi_guid_t' to 64 bits

This patch has already been dropped from the efi/urgent tree