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mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-09-04 20:19:47 +08:00
linux/arch
Kevin Brodsky 10a2e444e4 sparc64: mm: call ctor/dtor for kernel PTEs
The generic implementation of pte_{alloc_one,free}_kernel now calls the
[cd]tor, without initialising the ptlock needlessly as
pagetable_pte_ctor() skips it for init_mm.

Align sparc64 with the generic implementation by ensuring
pagetable_pte_[cd]tor() are called for kernel PTEs.  As a result the
kernel and user alloc/free functions have the same implementation, and
since pgtable_t is defined as pte_t *, we can have both call a common
helper.

Link: https://lkml.kernel.org/r/20250408095222.860601-7-kevin.brodsky@arm.com
Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linus Waleij <linus.walleij@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: <x86@kernel.org>
Cc: Yang Shi <yang@os.amperecomputing.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-05-11 17:48:22 -07:00
..
alpha mm: introduce a common definition of mk_pte() 2025-05-11 17:48:02 -07:00
arc syscall.h: introduce syscall_set_nr() 2025-05-11 17:48:15 -07:00
arm mm: pass mm down to pagetable_{pte,pmd}_ctor 2025-05-11 17:48:21 -07:00
arm64 mm: pass mm down to pagetable_{pte,pmd}_ctor 2025-05-11 17:48:21 -07:00
csky mm: call ctor/dtor for kernel PTEs 2025-05-11 17:48:21 -07:00
hexagon syscall.h: introduce syscall_set_nr() 2025-05-11 17:48:15 -07:00
loongarch mm: pass mm down to pagetable_{pte,pmd}_ctor 2025-05-11 17:48:21 -07:00
m68k m68k: mm: call ctor/dtor for kernel PTEs 2025-05-11 17:48:21 -07:00
microblaze mm: call ctor/dtor for kernel PTEs 2025-05-11 17:48:21 -07:00
mips mm: pass mm down to pagetable_{pte,pmd}_ctor 2025-05-11 17:48:21 -07:00
nios2 syscall.h: introduce syscall_set_nr() 2025-05-11 17:48:15 -07:00
openrisc mm: call ctor/dtor for kernel PTEs 2025-05-11 17:48:21 -07:00
parisc mm: pass mm down to pagetable_{pte,pmd}_ctor 2025-05-11 17:48:21 -07:00
powerpc powerpc: mm: call ctor/dtor for kernel PTEs 2025-05-11 17:48:22 -07:00
riscv mm: pass mm down to pagetable_{pte,pmd}_ctor 2025-05-11 17:48:21 -07:00
s390 mm: pass mm down to pagetable_{pte,pmd}_ctor 2025-05-11 17:48:21 -07:00
sh syscall.h: introduce syscall_set_nr() 2025-05-11 17:48:15 -07:00
sparc sparc64: mm: call ctor/dtor for kernel PTEs 2025-05-11 17:48:22 -07:00
um syscall.h: introduce syscall_set_nr() 2025-05-11 17:48:15 -07:00
x86 x86: pgtable: always use pte_free_kernel() 2025-05-11 17:48:21 -07:00
xtensa syscall.h: introduce syscall_set_nr() 2025-05-11 17:48:15 -07:00
.gitignore
Kconfig Kbuild updates for v6.15 2025-04-05 15:46:50 -07:00