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Sean Christopherson d2e5601907 KVM: nSVM: Move TLB flushing logic (or lack thereof) to dedicated helper
Introduce nested_svm_transition_tlb_flush() and use it force an MMU sync
and TLB flush on nSVM VM-Enter and VM-Exit instead of sneaking the logic
into the __kvm_mmu_new_pgd() call sites.  Add a partial todo list to
document issues that need to be addressed before the unconditional sync
and flush can be modified to look more like nVMX's logic.

In addition to making nSVM's forced flushing more overt (guess who keeps
losing track of it), the new helper brings further convergence between
nSVM and nVMX, and also sets the stage for dropping the "skip" params
from __kvm_mmu_new_pgd().

Cc: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210609234235.1244004-7-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-17 13:09:52 -04:00
arch KVM: nSVM: Move TLB flushing logic (or lack thereof) to dedicated helper 2021-06-17 13:09:52 -04:00
block block-5.13-2021-05-09 2021-05-09 13:25:14 -07:00
certs Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
crypto
Documentation KVM: x86: Introduce KVM_GET_SREGS2 / KVM_SET_SREGS2 2021-06-17 13:09:47 -04:00
drivers fbmem: fix horribly incorrect placement of __maybe_unused 2021-05-09 14:03:33 -07:00
fs 3 small SMB3 chmultichannel related changesets (also for stable) 2021-05-09 13:19:29 -07:00
include KVM: x86: Introduce KVM_GET_SREGS2 / KVM_SET_SREGS2 2021-06-17 13:09:47 -04:00
init Merge branch 'akpm' (patches from Andrew) 2021-05-07 00:34:51 -07:00
ipc ipc/sem.c: spelling fix 2021-05-07 00:26:34 -07:00
kernel A set of scheduler updates: 2021-05-09 13:14:34 -07:00
lib Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
LICENSES
mm mm: fix typos in comments 2021-05-07 00:26:35 -07:00
net Networking fixes for 5.13-rc1, including fixes from bpf, can 2021-05-08 08:31:46 -07:00
samples Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
scripts Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
security
sound sound fixes for 5.13-rc1 2021-05-07 11:40:18 -07:00
tools KVM: selftests: evmcs_test: Test that KVM_STATE_NESTED_EVMCS is never lost 2021-06-17 13:09:50 -04:00
usr
virt kvm: add PM-notifier 2021-06-17 13:09:32 -04:00
.clang-format
.cocciconfig
.get_maintainer.ignore
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COPYING
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MAINTAINERS Networking fixes for 5.13-rc1, including fixes from bpf, can 2021-05-08 08:31:46 -07:00
Makefile Linux 5.13-rc1 2021-05-09 14:17:44 -07:00
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.