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* target/i386/kvm: support for reading RAPL MSRs using a helper program

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* hpet: emulation improvements
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* target/i386/kvm: support for reading RAPL MSRs using a helper program
* hpet: emulation improvements

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# gpg: Signature made Tue 23 Jul 2024 03:19:58 AM AEST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  hpet: avoid timer storms on periodic timers
  hpet: store full 64-bit target value of the counter
  hpet: accept 64-bit reads and writes
  hpet: place read-only bits directly in "new_val"
  hpet: remove unnecessary variable "index"
  hpet: ignore high bits of comparator in 32-bit mode
  hpet: fix and cleanup persistence of interrupt status
  Add support for RAPL MSRs in KVM/Qemu
  tools: build qemu-vmsr-helper
  qio: add support for SO_PEERCRED for socket channel
  target/i386: do not crash if microvm guest uses SGX CPUID leaves

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-07-24 11:25:40 +10:00
commit 43f59bf765
23 changed files with 1995 additions and 185 deletions
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15
contrib/systemd/qemu-vmsr-helper.service Normal file
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@ -0,0 +1,15 @@
[Unit]
Description=Virtual RAPL MSR Daemon for QEMU
[Service]
WorkingDirectory=/tmp
Type=simple
ExecStart=/usr/bin/qemu-vmsr-helper
PrivateTmp=yes
ProtectSystem=strict
ReadWritePaths=/var/run
RestrictAddressFamilies=AF_UNIX
Restart=always
RestartSec=0
[Install]

9
contrib/systemd/qemu-vmsr-helper.socket Normal file
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@ -0,0 +1,9 @@
[Unit]
Description=Virtual RAPL MSR helper for QEMU
[Socket]
ListenStream=/run/qemu-vmsr-helper.sock
SocketMode=0600
[Install]
WantedBy=multi-user.target