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1ab9c60994
Timer emulation method in VM is switch to SW timer, there are two places where timer emulation is needed. One is during vcpu thread context switch, the other is halt-polling with idle instruction emulation. SW timer switching is removed during halt-polling mode, so it is not necessary to disable SW timer before entering to guest. This patch removes SW timer handling before entering guest mode, and put it in HW timer restoring flow when vcpu thread is sched-in. With this patch, vm timer emulation is simpler, there is SW/HW timer switch only in vcpu thread context switch scenario. Signed-off-by: Bibo Mao <maobibo@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
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| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| virt | ||
| .clang-format | ||
| .cocciconfig | ||
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| 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.