diff options
Diffstat (limited to 'arch/ppc')
| -rw-r--r-- | arch/ppc/boot/simple/Makefile | 4 | ||||
| -rw-r--r-- | arch/ppc/kernel/process.c | 6 | ||||
| -rw-r--r-- | arch/ppc/syslib/m82xx_pci.c | 3 |
3 files changed, 10 insertions, 3 deletions
diff --git a/arch/ppc/boot/simple/Makefile b/arch/ppc/boot/simple/Makefile index 82df88b01bb..f3e9c534aa8 100644 --- a/arch/ppc/boot/simple/Makefile +++ b/arch/ppc/boot/simple/Makefile @@ -262,11 +262,11 @@ $(images)/zImage.initrd-STRIPELF: $(obj)/zvmlinux.initrd skip=64 bs=1k $(images)/zImage-TREE: $(obj)/zvmlinux $(MKTREE) - $(MKTREE) $(obj)/zvmlinux $(images)/zImage.$(end-y) $(ENTRYPOINT) + $(MKTREE) $(obj)/zvmlinux $(images)/zImage.$(end-y) $(entrypoint-y) $(images)/zImage.initrd-TREE: $(obj)/zvmlinux.initrd $(MKTREE) $(MKTREE) $(obj)/zvmlinux.initrd $(images)/zImage.initrd.$(end-y) \ - $(ENTRYPOINT) + $(entrypoint-y) $(images)/zImage-PPLUS: $(obj)/zvmlinux $(MKPREP) $(MKBUGBOOT) $(MKPREP) -pbp $(obj)/zvmlinux $(images)/zImage.$(end-y) diff --git a/arch/ppc/kernel/process.c b/arch/ppc/kernel/process.c index cb1c7b92f8c..25cbdc8d294 100644 --- a/arch/ppc/kernel/process.c +++ b/arch/ppc/kernel/process.c @@ -417,6 +417,7 @@ void show_regs(struct pt_regs * regs) void exit_thread(void) { + preempt_disable(); if (last_task_used_math == current) last_task_used_math = NULL; if (last_task_used_altivec == current) @@ -425,10 +426,12 @@ void exit_thread(void) if (last_task_used_spe == current) last_task_used_spe = NULL; #endif + preempt_enable(); } void flush_thread(void) { + preempt_disable(); if (last_task_used_math == current) last_task_used_math = NULL; if (last_task_used_altivec == current) @@ -437,6 +440,7 @@ void flush_thread(void) if (last_task_used_spe == current) last_task_used_spe = NULL; #endif + preempt_enable(); } void @@ -535,6 +539,7 @@ void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp) regs->nip = nip; regs->gpr[1] = sp; regs->msr = MSR_USER; + preempt_disable(); if (last_task_used_math == current) last_task_used_math = NULL; if (last_task_used_altivec == current) @@ -543,6 +548,7 @@ void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp) if (last_task_used_spe == current) last_task_used_spe = NULL; #endif + preempt_enable(); memset(current->thread.fpr, 0, sizeof(current->thread.fpr)); current->thread.fpscr.val = 0; #ifdef CONFIG_ALTIVEC diff --git a/arch/ppc/syslib/m82xx_pci.c b/arch/ppc/syslib/m82xx_pci.c index 1d1c3956c1a..1941a8c7ca9 100644 --- a/arch/ppc/syslib/m82xx_pci.c +++ b/arch/ppc/syslib/m82xx_pci.c @@ -248,7 +248,8 @@ pq2ads_setup_pci(struct pci_controller *hose) pci_div = ( (sccr & SCCR_PCI_MODCK) ? 2 : 1) * ( ( (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT) + 1); freq = (uint)((2*binfo->bi_cpmfreq)/(pci_div)); - time = (int)666666/freq; + time = (int)66666666/freq; + /* due to PCI Local Bus spec, some devices needs to wait such a long time after RST deassertion. More specifically, 0.508s for 66MHz & twice more for 33 */ printk("%s: The PCI bus is %d Mhz.\nWaiting %s after deasserting RST...\n",__FILE__,freq, |