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| author | Mike Rapoport <rppt@linux.ibm.com> | 2020-06-08 21:33:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-09 09:39:13 -0700 |
| commit | e05c7b1f2bc4b7b28199b9a7572f73436d97317e (patch) | |
| tree | e0aafcf941689ba227fe55e2af9e915925c812cd /arch/parisc | |
| parent | 88107d330de4f175705a3ea03147feb0d7e68499 (diff) | |
| download | linux-e05c7b1f2bc4b7b28199b9a7572f73436d97317e.tar.bz2 | |
mm: pgtable: add shortcuts for accessing kernel PMD and PTE
The powerpc 32-bit implementation of pgtable has nice shortcuts for
accessing kernel PMD and PTE for a given virtual address. Make these
helpers available for all architectures.
[rppt@linux.ibm.com: microblaze: fix page table traversal in setup_rt_frame()]
Link: http://lkml.kernel.org/r/20200518191511.GD1118872@kernel.org
[akpm@linux-foundation.org: s/pmd_ptr_k/pmd_off_k/ in various powerpc places]
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Cain <bcain@codeaurora.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Guo Ren <guoren@kernel.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: http://lkml.kernel.org/r/20200514170327.31389-9-rppt@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/mm/fixmap.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/parisc/mm/fixmap.c b/arch/parisc/mm/fixmap.c index e2d8b0a857ee..24426a7e1a5e 100644 --- a/arch/parisc/mm/fixmap.c +++ b/arch/parisc/mm/fixmap.c @@ -33,11 +33,7 @@ void notrace set_fixmap(enum fixed_addresses idx, phys_addr_t phys) void notrace clear_fixmap(enum fixed_addresses idx) { unsigned long vaddr = __fix_to_virt(idx); - pgd_t *pgd = pgd_offset_k(vaddr); - p4d_t *p4d = p4d_offset(pgd, vaddr); - pud_t *pud = pud_offset(p4d, vaddr); - pmd_t *pmd = pmd_offset(pud, vaddr); - pte_t *pte = pte_offset_kernel(pmd, vaddr); + pte_t *pte = virt_to_kpte(vaddr); if (WARN_ON(pte_none(*pte))) return; |