From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/2341#note_1295830191
I observed the same failure happening earlier today, and the failure happens
for any centos-stream-9 kernel newer than -269.el9 which is where the
dependency on systemd-boot-unsigned
From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1842#note_971180710
@npache this one is right up your alley. I'm deferring it to you
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1598#note_829756551
or perhaps what the new compiler really wants here is an explicit comparison,
as in
```
if ((void *)mem_section != NULL)
...
```
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1598#note_829750350
Well, any pointer to pointer can be NULL, either by being not-initialized or
explicitly assigned so,
so the compiler warning (-Waddress) might be considering some other contextual
From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1516#note_801222643
@hertonrk-rh @crecklin @arozansk @npache @esyr-rh @onestero @prarit We need
review feedback on this config change.
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1516#note_791596094
@prarit since you filed a blocking thread for
https://gitlab.com/redhat/centos-stream/src/kernel/centos-
stream-9/-/merge_requests/245 due to "missing-in-ark" would you mind approving
From: Rafael Aquini
redhat: configs: increase CONFIG_DEBUG_KMEMLEAK_MEM_POOL_SIZE
Some really large instances do require a slightly increased pool size
so kmemleak can track early system allocations before kmemleak_object
entries can be allocated out of the system's slab caches. If there is
not
From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1422#note_698338973
Acked-by: Rafael Aquini
(via approve button)
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1155#note_604121175
Acked-by: Rafael Aquini
(via approve button)
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1155#note_600792944
@raquini - are you ok with the CONFIG_PAGE_OWNER change? ACK
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1155#note_600792238
Acked-by: Rafael Aquini
(via approve button)
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1023#note_558913497
Thanks David, that's fair enough. Works with me!
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1023#note_558452775
David, minor question: don't we want to follow the same
!IS_ENABLED(CONFIG_S390) && !IS_ENABLED(CONFIG_PPC64) check here, as
well?
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1023#note_556194632
I don't have a strong opinion on this one, but I think should perhaps go
with (albeit weird) the conditional tainting for x86_64 and Aarch64.
Reason CMA was disabled in RHEL8
From: Rafael Aquini
configs/common/generic: disable CONFIG_SLAB_MERGE_DEFAULT
This is desired to reduce the risk of kernel heap overflows
being able to overwrite objects from merged caches, and it
changes the requirements for cache layout control, increasing
the difficulty of these attacks.
It
From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/990#note_541388698
Doh!
Only if I hadn't the RHEL-8 changeset in front of my eyes I
couldn't call myself the names I'm using right now!
/me facepalms
Thank you Paul.
From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/990#note_541363873
As a follow-up to a RHEL-only patch we applied to RHEL-8 (so those that
want/need to get the merging behavior re-enabled are accommodated) I
proposed upstream this minor changeset:
From: Rafael Aquini
configs/common/generic: disable CONFIG_SLAB_MERGE_DEFAULT
This is desired to reduce the risk of kernel heap overflows
being able to overwrite objects from merged caches, and it
changes the requirements for cache layout control, increasing
the difficulty of these attacks.
It
From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/810#note_535866444
Acked-by: Rafael Aquini
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/406#note_535816171
Acked-by: Rafael Aquini
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/954#note_535789304
@dzickusrh, I guess the problem is that we cannot review/approve kernel-
ark MRs with lab.
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/954#note_535781061
Acked-by: Rafael Aquini
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From: Rafael Aquini on gitlab.com
https://gitlab.com/cki-project/kernel-ark/-/merge_requests/949#note_524447285
Acked-by: Rafael Aquini
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