On Thu, May 07, 2020 at 07:59:55AM -0700, ira.weiny@xxxxxxxxx wrote:
> From: Ira Weiny <ira.weiny@xxxxxxxxx>
>
> Every single architecture (including !CONFIG_HIGHMEM) calls...
>
> pagefault_enable();
> preempt_enable();
>
> ... before returning from __kunmap_atomic(). Lift this code into the
> kunmap_atomic() macro.
>
> While we are at it rename __kunmap_atomic() to kunmap_atomic_high() to
> be consistent.
>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
This patch results in:
Starting init: /bin/sh exists but couldn't execute it (error -14)
when trying to boot microblazeel:petalogix-ml605 in qemu.
Bisect log attached.
Guenter
---
# bad: [bdecf38f228bcca73b31ada98b5b7ba1215eb9c9] Add linux-next specific files for 20200515
# good: [2ef96a5bb12be62ef75b5828c0aab838ebb29cb8] Linux 5.7-rc5
git bisect start 'HEAD' 'v5.7-rc5'
# good: [3674d7aa7a8e61d993886c2fb7c896c5ef85e988] Merge remote-tracking branch 'crypto/master'
git bisect good 3674d7aa7a8e61d993886c2fb7c896c5ef85e988
# good: [87f6f21783522e6d62127cf33ae5e95f50874beb] Merge remote-tracking branch 'spi/for-next'
git bisect good 87f6f21783522e6d62127cf33ae5e95f50874beb
# good: [5c428e8277d5d97c85126387d4e00aa5adde4400] Merge remote-tracking branch 'staging/staging-next'
git bisect good 5c428e8277d5d97c85126387d4e00aa5adde4400
# good: [f68de67ed934e7bdef4799fd7777c86f33f14982] Merge remote-tracking branch 'hyperv/hyperv-next'
git bisect good f68de67ed934e7bdef4799fd7777c86f33f14982
# bad: [54acd2dc52b069da59639eea0d0c92726f32fb01] mm/memblock: fix a typo in comment "implict"->"implicit"
git bisect bad 54acd2dc52b069da59639eea0d0c92726f32fb01
# good: [784a17aa58a529b84f7cc50f351ed4acf3bd11f3] mm: remove the pgprot argument to __vmalloc
git bisect good 784a17aa58a529b84f7cc50f351ed4acf3bd11f3
# good: [6cd8137ff37e9a37aee2d2a8889c8beb8eab192f] khugepaged: replace the usage of system(3) in the test
git bisect good 6cd8137ff37e9a37aee2d2a8889c8beb8eab192f
# bad: [6987da379826ed01b8a1cf046b67cc8cc10117cc] sparc: remove unnecessary includes
git bisect bad 6987da379826ed01b8a1cf046b67cc8cc10117cc
# good: [bc17b545388f64c09e83e367898e28f60277c584] mm/hugetlb: define a generic fallback for is_hugepage_only_range()
git bisect good bc17b545388f64c09e83e367898e28f60277c584
# bad: [9b5aa5b43f957f03a1f4a9aff5f7924e2ebbc011] arch-kmap_atomic-consolidate-duplicate-code-checkpatch-fixes
git bisect bad 9b5aa5b43f957f03a1f4a9aff5f7924e2ebbc011
# good: [0941a38ff0790c1004270f952067a5918a4ba32d] arch/kmap: remove redundant arch specific kmaps
git bisect good 0941a38ff0790c1004270f952067a5918a4ba32d
# good: [56e635a64c2cbfa815c851af10e0f811e809977b] arch-kunmap-remove-duplicate-kunmap-implementations-fix
git bisect good 56e635a64c2cbfa815c851af10e0f811e809977b
# bad: [60f96b2233c790d4f1c49317643051f1670bcb29] arch/kmap_atomic: consolidate duplicate code
git bisect bad 60f96b2233c790d4f1c49317643051f1670bcb29
# good: [7b3708dc3bf72a647243064fe7ddf9a76248ddfd] {x86,powerpc,microblaze}/kmap: move preempt disable
git bisect good 7b3708dc3bf72a647243064fe7ddf9a76248ddfd
# first bad commit: [60f96b2233c790d4f1c49317643051f1670bcb29] arch/kmap_atomic: consolidate duplicate code
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