[PATCH] powerpc/32: disable KASAN with pages bigger than 16k
Michael Ellerman
patch-notifications at ellerman.id.au
Tue Jun 9 15:28:44 AEST 2020
On Thu, 28 May 2020 10:17:04 +0000 (UTC), Christophe Leroy wrote:
> Mapping of early shadow area is implemented by using a single static
> page table having all entries pointing to the same early shadow page.
> The shadow area must therefore occupy full PGD entries.
>
> The shadow area has a size of 128Mbytes starting at 0xf8000000.
> With 4k pages, a PGD entry is 4Mbytes
> With 16k pages, a PGD entry is 64Mbytes
> With 64k pages, a PGD entry is 256Mbytes which is too big.
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/32: Disable KASAN with pages bigger than 16k
https://git.kernel.org/powerpc/c/888468ce725a4cd56d72dc7e5096078f7a9251a0
cheers
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