Re: [PATCH mm] kasan: export HW_TAGS symbols for KUnit tests

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On Fri, 12 Feb 2021 21:08:52 +0100 Andrey Konovalov <andreyknvl@xxxxxxxxxx> wrote:

> Currently, building KASAN-KUnit tests as a module fails with:
> 
> ERROR: modpost: "mte_enable_kernel" [lib/test_kasan.ko] undefined!
> ERROR: modpost: "mte_set_report_once" [lib/test_kasan.ko] undefined!
> 
> This change adds KASAN wrappers for mte_enable_kernel() and
> mte_set_report_once() and only defines and exports them when KASAN-KUnit
> tests are enabled.
> 
> The wrappers aren't defined when tests aren't enabled to avoid misuse.
> The mte_() functions aren't exported directly to avoid having low-level
> KASAN ifdefs in the arch code.
> 

Please confirm that this is applicable to current Linus mainline?

Today is pretty much the last day for getting material into 5.11, and
this patch has been churning somewhat.

So I think it would be better to merge this into 5.12-rc1, with a
cc:stable so it goes into 5.11.1.

For which we'll need a Fixes:, please?




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