db6c1f6f23
Currently we'll flush the mm in flush_tlb_batched_pending() to avoid race between reclaim unmaps pages by batched TLB flush and mprotect/munmap/etc. Other architectures like arm64 may only need a synchronization barrier(dsb) here rather than a full mm flush. So add arch_flush_tlb_batched_pending() to allow an arch-specific implementation here. This intends no functional changes on x86 since still a full mm flush for x86. Link: https://lkml.kernel.org/r/20230717131004.12662-4-yangyicong@huawei.com Signed-off-by: Yicong Yang <yangyicong@hisilicon.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Barry Song <baohua@kernel.org> Cc: Barry Song <v-songbaohua@oppo.com> Cc: Darren Hart <darren@os.amperecomputing.com> Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: lipeifeng <lipeifeng@oppo.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Nadav Amit <namit@vmware.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Punit Agrawal <punit.agrawal@bytedance.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Steven Miao <realmz6@gmail.com> Cc: Will Deacon <will@kernel.org> Cc: Xin Hao <xhao@linux.alibaba.com> Cc: Zeng Tao <prime.zeng@hisilicon.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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|---|---|---|
| Documentation | ||
| LICENSES | ||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
README
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.