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Date: Mon, 6 May 2019 08:57:46 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Thomas Gleixner <tglx@...utronix.de>,
Andrew Morton <akpm@...ux-foundation.org>,
Andy Lutomirski <luto@...nel.org>,
Borislav Petkov <bp@...en8.de>
Subject: [GIT PULL] core/mm changes for v5.2: Unify TLB flushing across
architectures
Linus,
Please pull the latest core-mm-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core-mm-for-linus
# HEAD: f6c6010a07734103a31faa0cc977641b358c45b0 mm/resource: Use resource_overlaps() to simplify region_intersects()
This tree contains the generic mmu_gather feature from Peter Zijlstra,
which is an all-arch unification of TLB flushing APIs, via the following
(broad) steps:
- enhance the <asm-generic/tlb.h> APIs to cover more arch details
- convert most TLB flushing arch implementations to the generic
<asm-generic/tlb.h> APIs.
- remove leftovers of per arch implementations
After this series every single architecture makes use of the unified TLB
flushing APIs.
Thanks,
Ingo
------------------>
Martin Schwidefsky (2):
asm-generic/tlb: Introduce CONFIG_HAVE_MMU_GATHER_NO_GATHER=y
s390/tlb: Convert to generic mmu_gather
Peter Zijlstra (17):
asm-generic/tlb: Provide a comment
asm-generic/tlb, arch: Provide CONFIG_HAVE_MMU_GATHER_PAGE_SIZE
asm-generic/tlb, arch: Provide generic VIPT cache flush
asm-generic/tlb, arch: Provide generic tlb_flush() based on flush_tlb_range()
asm-generic/tlb: Provide generic tlb_flush() based on flush_tlb_mm()
asm-generic/tlb, ia64: Conditionally provide tlb_migrate_finish()
asm-generic/tlb, arch: Invert CONFIG_HAVE_RCU_TABLE_INVALIDATE
arm/tlb: Convert to generic mmu_gather
ia64/tlb: Convert to generic mmu_gather
sh/tlb: Convert SH to generic mmu_gather
um/tlb: Convert to generic mmu_gather
arch/tlb: Clean up simple architectures
asm-generic/tlb: Remove arch_tlb*_mmu()
asm-generic/tlb: Remove CONFIG_HAVE_GENERIC_MMU_GATHER
asm-generic/tlb: Remove tlb_flush_mmu_free()
asm-generic/tlb: Remove tlb_table_flush()
ia64/tlb: Eradicate tlb_migrate_finish() callback
Wei Yang (1):
mm/resource: Use resource_overlaps() to simplify region_intersects()
Documentation/core-api/cachetlb.rst | 10 --
arch/Kconfig | 8 +-
arch/alpha/Kconfig | 1 +
arch/alpha/include/asm/tlb.h | 6 -
arch/arc/include/asm/tlb.h | 32 ----
arch/arm/include/asm/tlb.h | 255 ++-----------------------------
arch/arm64/Kconfig | 1 -
arch/arm64/include/asm/tlb.h | 1 +
arch/c6x/Kconfig | 1 +
arch/c6x/include/asm/tlb.h | 2 -
arch/h8300/include/asm/tlb.h | 2 -
arch/hexagon/include/asm/tlb.h | 12 --
arch/ia64/include/asm/machvec.h | 13 --
arch/ia64/include/asm/machvec_sn2.h | 2 -
arch/ia64/include/asm/tlb.h | 259 +-------------------------------
arch/ia64/include/asm/tlbflush.h | 25 ++++
arch/ia64/mm/tlb.c | 23 ++-
arch/ia64/sn/kernel/sn2/sn2_smp.c | 7 -
arch/m68k/Kconfig | 1 +
arch/m68k/include/asm/tlb.h | 14 --
arch/microblaze/Kconfig | 1 +
arch/microblaze/include/asm/tlb.h | 9 --
arch/mips/include/asm/tlb.h | 17 ---
arch/nds32/include/asm/tlb.h | 16 --
arch/nds32/include/asm/tlbflush.h | 1 -
arch/nios2/Kconfig | 1 +
arch/nios2/include/asm/tlb.h | 14 +-
arch/openrisc/Kconfig | 1 +
arch/openrisc/include/asm/tlb.h | 8 +-
arch/parisc/include/asm/tlb.h | 18 ---
arch/powerpc/Kconfig | 2 +
arch/powerpc/include/asm/tlb.h | 18 +--
arch/riscv/include/asm/tlb.h | 1 +
arch/s390/Kconfig | 2 +
arch/s390/include/asm/tlb.h | 130 +++++-----------
arch/s390/mm/pgalloc.c | 63 +-------
arch/sh/include/asm/pgalloc.h | 9 ++
arch/sh/include/asm/tlb.h | 132 +----------------
arch/sparc/Kconfig | 1 +
arch/sparc/include/asm/tlb_32.h | 18 ---
arch/um/include/asm/tlb.h | 158 +-------------------
arch/unicore32/Kconfig | 1 +
arch/unicore32/include/asm/tlb.h | 7 +-
arch/x86/Kconfig | 1 -
arch/x86/include/asm/tlb.h | 1 +
arch/xtensa/include/asm/tlb.h | 26 ----
include/asm-generic/tlb.h | 288 ++++++++++++++++++++++++++++++++----
kernel/iomem.c | 4 +-
kernel/resource.c | 11 +-
kernel/sched/core.c | 1 -
mm/huge_memory.c | 4 +-
mm/hugetlb.c | 2 +-
mm/madvise.c | 2 +-
mm/memory.c | 6 +-
mm/mmu_gather.c | 129 ++++++++--------
55 files changed, 482 insertions(+), 1296 deletions(-)
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