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Vitaly Kuznetsov 13ffbd8db1 KVM: selftests: fix rdtsc() for vmx_tsc_adjust_test
vmx_tsc_adjust_test fails with:

IA32_TSC_ADJUST is -4294969448 (-1 * TSC_ADJUST_VALUE + -2152).
IA32_TSC_ADJUST is -4294969448 (-1 * TSC_ADJUST_VALUE + -2152).
IA32_TSC_ADJUST is 281470681738540 (65534 * TSC_ADJUST_VALUE + 4294962476).
==== Test Assertion Failure ====
  x86_64/vmx_tsc_adjust_test.c:153: false
  pid=19738 tid=19738 - Interrupted system call
     1	0x0000000000401192: main at vmx_tsc_adjust_test.c:153
     2	0x00007fe1ef8583d4: ?? ??:0
     3	0x0000000000401201: _start at ??:?
  Failed guest assert: (adjust <= max)

The problem is that is 'tsc_val' should be u64, not u32 or the reading
gets truncated.

Fixes: 8d7fbf01f9 ("KVM: selftests: VMX preemption timer migration test")
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20200601154726.261868-1-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-01 11:58:23 -04:00
arch KVM/arm64 updates for Linux 5.8: 2020-06-01 04:26:27 -04:00
block bdi: use bdi_dev_name() to get device name 2020-05-09 16:07:39 -06:00
certs .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
crypto gcc-10: avoid shadowing standard library 'free()' in crypto 2020-05-09 15:58:04 -07:00
Documentation KVM/arm64 updates for Linux 5.8: 2020-06-01 04:26:27 -04:00
drivers IOMMU Fixes for Linux v5.7-rc4 2020-05-10 11:26:23 -07:00
fs block-5.7-2020-05-09 2020-05-10 11:16:07 -07:00
include KVM/arm64 updates for Linux 5.8: 2020-06-01 04:26:27 -04:00
init gcc-10: mark more functions __init to avoid section mismatch warnings 2020-05-09 17:50:03 -07:00
ipc ipc/mqueue.c: change __do_notify() to bypass check_kill_permission() 2020-05-07 19:27:20 -07:00
kernel Merge tag 'noinstr-x86-kvm-2020-05-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into HEAD 2020-05-20 03:40:09 -04:00
lib lockdep: Prepare for noinstr sections 2020-05-19 15:47:21 +02:00
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scripts vmlinux.lds.h: Create section for protection against instrumentation 2020-05-19 15:47:20 +02:00
security selinux/stable-5.7 PR 20200430 2020-04-30 16:35:45 -07:00
sound sound fixes for 5.7-rc4 2020-05-01 11:05:28 -07:00
tools KVM: selftests: fix rdtsc() for vmx_tsc_adjust_test 2020-06-01 11:58:23 -04:00
usr kbuild: fix comment about missing include guard detection 2020-04-11 12:09:48 +09:00
virt KVM/arm64 updates for Linux 5.8: 2020-06-01 04:26:27 -04:00
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MAINTAINERS KVM: arm64: Move virt/kvm/arm to arch/arm64 2020-05-16 15:03:59 +01:00
Makefile Linux 5.7-rc5 2020-05-10 15:16:58 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.