Re: [PATCH v9 01/42] mm: Rename arch pte_mkwrite()'s to pte_mkwrite_novma()
From: Mark Brown <broonie@kernel.org>
Date: 2023-07-14 22:57:30
Also in:
linux-alpha, linux-arch, linux-doc, linux-m68k, linux-mips, linux-mm, linux-riscv, linux-s390, linux-sh, linux-um, linuxppc-dev, lkml, loongarch, sparclinux
On Mon, Jun 12, 2023 at 05:10:27PM -0700, Rick Edgecombe wrote:
The x86 Shadow stack feature includes a new type of memory called shadow stack. This shadow stack memory has some unusual properties, which requires some core mm changes to function properly.
This seems to break sparc64_defconfig when applied on top of v6.5-rc1:
In file included from /home/broonie/git/bisect/include/linux/mm.h:29,
from /home/broonie/git/bisect/net/core/skbuff.c:40:
/home/broonie/git/bisect/include/linux/pgtable.h: In function 'pmd_mkwrite':
/home/broonie/git/bisect/include/linux/pgtable.h:528:9: error: implicit declaration of function 'pmd_mkwrite_novma'; did you mean 'pte_mkwrite_novma'? [-Werror=implicit-function-declaration]
return pmd_mkwrite_novma(pmd);
^~~~~~~~~~~~~~~~~
pte_mkwrite_novma
/home/broonie/git/bisect/include/linux/pgtable.h:528:9: error: incompatible types when returning type 'int' but 'pmd_t' {aka 'struct <anonymous>'} was expected
return pmd_mkwrite_novma(pmd);
^~~~~~~~~~~~~~~~~~~~~~
The same issue seems to apply with the version that was in -next based
on v6.4-rc4 too. Attachments
- signature.asc [application/pgp-signature] 488 bytes