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| Filename | Latest commit message | Latest commit date |
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2e6baa46b4
Currently HV will save math regs(FP/VEC/VSX) when trap into host. But PR KVM will only save math regs when qemu task switch out of CPU, or when returning from qemu code. To emulate FP/VEC/VSX mmio load, PR KVM need to make sure that math regs were flushed firstly and then be able to update saved VCPU FPR/VEC/VSX area reasonably. This patch adds giveup_ext() field to KVM ops. Only PR KVM has non-NULL giveup_ext() ops. kvmppc_complete_mmio_load() can invoke that hook (when not NULL) to flush math regs accordingly, before updating saved register vals. Math regs flush is also necessary for STORE, which will be covered in later patch within this patch series. Signed-off-by: Simon Guo <wei.guo.simon@gmail.com> Signed-off-by: Paul Mackerras <paulus@ozlabs.org> |
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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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.