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authorEric W. Biederman <ebiederm@xmission.com>2005-10-30 14:59:41 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-30 17:37:13 -0800
commitf2b36db692b7ff6972320ad9839ae656a3b0ee3e (patch)
tree110387d2557a156d6b9453ea0c45d392b47796c2 /arch/i386/kernel/crash.c
parent29b70081f7cb094513d5189e82d3478b50777a28 (diff)
[PATCH] i386: move apic init in init_IRQs
All kinds of ugliness exists because we don't initialize the apics during init_IRQs. - We calibrate jiffies in non apic mode even when we are using apics. - We have to have special code to initialize the apics when non-smp. - The legacy i8259 must exist and be setup correctly, even when we won't use it past initialization. - The kexec on panic code must restore the state of the io_apics. - init/main.c needs a special case for !smp smp_init on x86 In addition to pure code movement I needed a couple of non-obvious changes: - Move setup_boot_APIC_clock into APIC_late_time_init for simplicity. - Use cpu_khz to generate a better approximation of loops_per_jiffies so I can verify the timer interrupt is working. - Call setup_apic_nmi_watchdog again after cpu_khz is initialized on the boot cpu. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/i386/kernel/crash.c')
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