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cpu.h 9 kB
object.h 36.9 kB
qom-qobject.h 1.1 kB

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# Date Author Comment
03587328 05/13/2013 11:27 pm Anthony Liguori

qom: aggressively optimize qom casting

This patch adds a small typename cache to ObjectClass. This allows
caching positive casts within each ObjectClass. Benchmarking a
PPC workload provided by Aurelien, this patch eliminates every
single g_hash_table_lookup() happening during the benchmark (which...
be17f18b 05/13/2013 05:52 pm Paolo Bonzini

qom: pass file/line/function to asserting casts

Signed-off-by: Paolo Bonzini <>
Message-id:
Signed-off-by: Anthony Liguori <>
3556c233 05/13/2013 05:52 pm Paolo Bonzini

qom: allow turning cast debugging off

Cast debugging can have a substantial cost (20% or more). Instead of adding
special-cased "fast casts" in the hot paths, we can just disable it in
releases. The tracing facilities we just added make it easier to analyze...
33bc94eb 05/13/2013 05:52 pm Paolo Bonzini

qom: improve documentation of cast functions

Signed-off-by: Paolo Bonzini <>
Message-id:
Signed-off-by: Anthony Liguori <>
c72bf468 05/01/2013 02:04 pm Jens Freimann

cpu: Move cpu_write_elfXX_note() functions to CPUState

Convert cpu_write_elfXX_note() functions to CPUClass methods and pass
CPUState as argument. Update target-i386 accordingly.

Signed-off-by: Jens Freimann <>
[AF: Retain stubs as CPUClass' default method implementation; style changes]...
997395d3 05/01/2013 02:04 pm Igor Mammedov

cpu: Introduce get_arch_id() method and override it for X86CPU

get_arch_id() adds possibility for generic code to get a guest-visible
CPU ID without accessing CPUArchState.
If derived classes don't override it, it will return cpu_index.

Override it on target-i386 in X86CPU to return the APIC ID....
d6b9e0d6 05/01/2013 02:04 pm Michael S. Tsirkin

cpu: Add qemu_for_each_cpu()

Wrapper to avoid open-coded loops and to make CPUState iteration
independent of CPUArchState.

Signed-off-by: Michael S. Tsirkin <>
Signed-off-by: Igor Mammedov <>
Signed-off-by: Andreas Färber <>
69e5ff06 05/01/2013 02:04 pm Igor Mammedov

cpu: Add helper cpu_exists(), to check if CPU with specified id exists

Signed-off-by: Igor Mammedov <>
Signed-off-by: Andreas Färber <>
2993683b 05/01/2013 02:04 pm Igor Mammedov

cpu: Introduce cpu_resume(), for single CPU

Also add a stub for it, to make possible to use it in qom/cpu.c,
which is shared with user emulators.

Signed-off-by: Igor Mammedov <>
Signed-off-by: Andreas Färber <>
085d8134 03/22/2013 02:25 pm Peter Maydell

Fix typos and misspellings

Fix various typos and misspellings. The bulk of these were found with
codespell.

Signed-off-by: Peter Maydell <>
Reviewed-by: Stefan Weil <>
Signed-off-by: Stefan Hajnoczi <>

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