Linus Torvalds 7de7ac8d60 - Fix how SEV handles MMIO accesses by forwarding potential page faults instead
of killing the machine and by using the accessors with the exact functionality
 needed when accessing memory.
 
 - Fix a confusion with Clang LTO compiler switches passed to the it
 
 - Handle the case gracefully when VMGEXIT has been executed in userspace
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Merge tag 'x86_urgent_for_v5.13_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Borislav Petkov:

 - Fix how SEV handles MMIO accesses by forwarding potential page faults
   instead of killing the machine and by using the accessors with the
   exact functionality needed when accessing memory.

 - Fix a confusion with Clang LTO compiler switches passed to the it

 - Handle the case gracefully when VMGEXIT has been executed in
   userspace

* tag 'x86_urgent_for_v5.13_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/sev-es: Use __put_user()/__get_user() for data accesses
  x86/sev-es: Forward page-faults which happen during emulation
  x86/sev-es: Don't return NULL from sev_es_get_ghcb()
  x86/build: Fix location of '-plugin-opt=' flags
  x86/sev-es: Invalidate the GHCB after completing VMGEXIT
  x86/sev-es: Move sev_es_put_ghcb() in prep for follow on patch
2021-05-23 06:12:25 -10:00
2021-05-22 07:40:34 -10:00
2021-05-08 10:00:11 -07:00
2021-04-28 14:39:37 -07:00
2021-05-23 06:07:33 -10:00
2021-05-22 07:40:34 -10:00
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2021-05-08 10:00:11 -07:00
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2021-05-23 06:07:33 -10:00
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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.
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