[PATCH v3 00/19] arm64 kernel text replication

[Russell King (Oracle)]

On Wed, Jan 17, 2024 at 04:53:38PM +0800, Hao Jia wrote:
> From: root <root at n144-101-220.byted.org>
> 
> Many thanks to Russell King for his previous work on
> arm64 kernel text replication.
> https://lore.kernel.org/all/ZMKNYEkM7YnrDtOt@shell.armlinux.org.uk
> 
> After applying these patches, we tested that our business performance
> increased by more than 5% and the NUMA node memory bandwidth was more
> balanced.
> I've recently been trying to make it work with different numbers of
> page tables/page sizes, so updated this patch set to V3.
> 
> Patch overview:
> 
> Patch 1-16 is a patch set based on Russell King's previous arm64
> kernel text replication, rebased on commit 052d534373b7.
> 
> The following three patches are new in v3:
> patch 17 fixes compilation warning
> 
> patch 18 adapts arm64 kernel text replication to support more
> page tables/page sizes, in addition to 16K page size and
> 4-level page tables.
> 
> patch 19 fixes the abnormal startup problem caused by module_alloc()
> which may allocate an address larger than KIMAGE_VADDR when kernel text
> replication is enabled.
> 
> [v2] https://lore.kernel.org/all/ZMKNYEkM7YnrDtOt@shell.armlinux.org.uk
> [RFC] https://lore.kernel.org/all/ZHYCUVa8fzmB4XZV@shell.armlinux.org.uk
> 
> Please correct me if I've made a mistake, thank you very much!

Note that, even though I haven't posted an update (I see it as mostly
pointless because *noone* commented on the previous posting) I do
maintain these patches:

  git://git.armlinux.org.uk/~rmk/linux-arm.git aarch64/ktext/head

currently has them against v6.7

-- 
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