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x86: use WARN() in arch/x86/kernel 

Use WARN() instead of a printk+WARN_ON() pair; this way the message
becomes part of the warning section for better reporting/collection.
This also allowed the folding of some if()'s into the WARN()

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: akpm@linux-foundation.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arjan van de Ven 2008-07-08 09:51:56 -07:00 committed by Ingo Molnar
parent 0c072bb452
commit bde78a79a6
3 changed files with 4 additions and 10 deletions
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5
arch/x86/kernel/cpu/mtrr/main.c
View File

@ -1496,11 +1496,8 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
/* kvm/qemu doesn't have mtrr set right, don't trim them all */
if (!highest_pfn) {
if (!kvm_para_available()) {
printk(KERN_WARNING
WARN(!kvm_para_available(), KERN_WARNING
"WARNING: strange, CPU MTRRs all blank?\n");
WARN_ON(1);
}
return 0;
}

3
arch/x86/kernel/pci-calgary_64.c
View File

@ -343,9 +343,8 @@ static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
/* were we called with bad_dma_address? */
badend = bad_dma_address + (EMERGENCY_PAGES * PAGE_SIZE);
if (unlikely((dma_addr >= bad_dma_address) && (dma_addr < badend))) {
printk(KERN_ERR "Calgary: driver tried unmapping bad DMA "
WARN(1, KERN_ERR "Calgary: driver tried unmapping bad DMA "
"address 0x%Lx\n", dma_addr);
WARN_ON(1);
return;
}

6
arch/x86/kernel/tsc_sync.c
View File

@ -88,11 +88,9 @@ static __cpuinit void check_tsc_warp(void)
__raw_spin_unlock(&sync_lock);
}
}
if (!(now-start)) {
printk("Warning: zero tsc calibration delta: %Ld [max: %Ld]\n",
WARN(!(now-start),
"Warning: zero tsc calibration delta: %Ld [max: %Ld]\n",
now-start, end-start);
WARN_ON(1);
}
}
/*