| Commit message (Collapse) | Author | Age | Files | Lines |
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AWS Elastic File System works best with NFS v4.1, Docker's cloudstor:aws plugin requires it.
This is already enabled in config-vanilla.s390x; simply enabling it in the other configs.
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fixes #8778
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fixes #8401
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This commit updates to kernel version 4.9.75 and enables
CONFIG_PAGE_TABLE_ISOLATION for x86, x86_64 and aarch64. For all
other architectures, CONFIG_PAGE_TABLE_ISOLATION is disabled.
CONFIG_PAGE_TABLE_ISOLATION mitigates the Meltdown security flaw
almost all Intel CPUs and some ARM CPUs are suspect to [1,2].
(This patch does not solve the Spectre security threat [2], which
affects also non-Intel CPUs [3].)
I believe this commit will cause some discussion, especially the
following points seem worth discussing:
a) CONFIG_PAGE_TABLE_ISOLATION has a performance impact on
syscalls, which can slow down specific applications
significantly. AMD users might benefit from a kernel without
KPTI (unless Meltdown turns out to affect them as well)
b) Is disabling this feature a reasonable choice for CPU
architectures different from x86, x86_64 and aarch64?
[1]: https://meltdownattack.com/#faq-systems-meltdown
[2]: http://kroah.com/log/blog/2018/01/06/meltdown-status/
[3]: https://meltdownattack.com/#faq-systems-spectre
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This commit brings kernel and userspace into agreement about squashfs
compression algorithms: zlib, xz, lzo, and lz4 (except on S/390 and PPC64LE).
Some kernels has LZO, some had LZ4, some had both.
Userspace had LZO, but not LZ4.
XZ and LZO were added to squashfs-tools in commit
151deb4c2fe91078c30c588de3fe9e411849a52f
Most compression options were added to kernels through default configs:
* LZO had been enabled in RPI, RPI2, S/390, PPC64le, and squashfs-tools.
* LZ4 had been enabled in x86, x86_64, aarch64, armhf, rpi, rpi2.
Default linux kernel config does not currently include LZ4 for S/390 or
PPC64le, so I did not change their config. XZ and ZLIB are in everything.
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ref #5191
ref #6486
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synchronize with linux-grsec config
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its obsolete
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ref #4887
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fix armhf config also to have CONNECTOR=y and PROC_EVENTS=y
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something went wrong in the armhf config during update
We have also enabled CONFIG_DEVTMPFS_MOUNT=y
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