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| author |   Dou Liyang <douly.fnst@cn.fujitsu.com> | 2017-09-13 17:12:44 +0800 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2017-09-25 15:03:14 +0200 |
| commit | 0114a8e87772c4172bf7fefa4c7a9a6bbc52d2ab (patch) | |
| tree | e05059a1f98bc6228e2f8643381b64a1c71fc992 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | Linux 4.14-rc2 (diff) | |
| download | wireguard-linux-0114a8e87772c4172bf7fefa4c7a9a6bbc52d2ab.tar.xz wireguard-linux-0114a8e87772c4172bf7fefa4c7a9a6bbc52d2ab.zip | |
x86/apic: Construct a selector for the interrupt delivery mode
There are quite some switches which are used to determine the final
interrupt delivery mode, as shown below:
1) Kconfig: CONFIG_X86_64; CONFIG_X86_LOCAL_APIC; CONFIG_x86_IO_APIC
2) Command line options: disable_apic; skip_ioapic_setup
3) CPU Capability: boot_cpu_has(X86_FEATURE_APIC)
4) MP table: smp_found_config
5) ACPI: acpi_lapic; acpi_ioapic; nr_ioapic
These switches are disordered and scattered and there are also some
dependencies between them. These make the code difficult to maintain and
read.
Construct a selector to unify them into a single function, then, Use this
selector to get an interrupt delivery mode directly.
Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: yinghai@kernel.org
Cc: bhe@redhat.com
Link: https://lkml.kernel.org/r/1505293975-26005-2-git-send-email-douly.fnst@cn.fujitsu.com
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
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