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Paul Mackerras d6a29252ad [POWERPC] Fix secondary CPU startup on old "powersurge" SMP powermacs ... On the old "powersurge" SMP powermacs, the second CPU is started up by sending it an IPI, which has the side effect of stopping the timebase clock (so the secondary CPU's timebase can be synchronized with the primary's). The routine that did this used udelay, which will hang forever when the timebase is stopped, since udelay now spins until the timebase reaches a certain value. The end result is that the kernel would hang when bringing up the second CPU. This fixes it by using a simple loop which just does a fixed number of iterations to generate the delay. These old systems were all clocked at around 200 MHz or so, so a fixed number of iterations is acceptable. Signed-off-by: Paul Mackerras <paulus@samba.org>		19 years ago
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Makefile	[PATCH] 3/5 powerpc: Add platform functions interpreter	19 years ago
backlight.c	Merge branch 'merge'	19 years ago
bootx_init.c	[POWERPC] Fix BootX booting with an initrd	19 years ago
cache.S	Remove obsolete #include <linux/config.h>	19 years ago
cpufreq_32.c	[POWERPC] powermac: Constify & voidify get_property()	19 years ago
cpufreq_64.c	[PATCH] completions: lockdep annotate on stack completions	19 years ago
feature.c	[PATCH] more fallout from get_property returning pointer to const	19 years ago
low_i2c.c	IRQ: Maintain regs pointer globally rather than passing to IRQ handlers	19 years ago
nvram.c	[PATCH] completions: lockdep annotate on stack completions	19 years ago
pci.c	Merge branch 'merge'	19 years ago
pfunc_base.c	IRQ: Maintain regs pointer globally rather than passing to IRQ handlers	19 years ago
pfunc_core.c	[POWERPC] powermac: Constify & voidify get_property()	19 years ago
pic.c	[POWERPC] Fix up after irq changes	19 years ago
pic.h	[POWERPC] Fix up after irq changes	19 years ago
pmac.h	[POWERPC] Add new interrupt mapping core and change platforms to use it	19 years ago
setup.c	[POWERPC] powermac: Constify & voidify get_property()	19 years ago
sleep.S	Remove obsolete #include <linux/config.h>	19 years ago
smp.c	[POWERPC] Fix secondary CPU startup on old "powersurge" SMP powermacs	19 years ago
time.c	Remove obsolete #include <linux/config.h>	19 years ago
udbg_adb.c	Remove obsolete #include <linux/config.h>	19 years ago
udbg_scc.c	[POWERPC] Get default baud rate in udbg_scc	19 years ago