Re: [2.6.23-rt3] NMI watchdog trace of deadlock

From: Steven Rostedt
Date: Sat Oct 27 2007 - 10:29:54 EST



--
On Sat, 27 Oct 2007, Mike Galbraith wrote:
>
> Hm. Looking at the change to mm/bounce.c, perhaps I should do this
> instead?
>
> --- ./fs/ntfs/aops.c.org 2007-10-27 10:16:40.000000000 +0200
> +++ ./fs/ntfs/aops.c 2007-10-27 12:11:07.000000000 +0200
> @@ -139,13 +139,13 @@ static void ntfs_end_buffer_async_read(s
> recs = PAGE_CACHE_SIZE / rec_size;
> /* Should have been verified before we got here... */
> BUG_ON(!recs);
> - local_irq_save(flags);
> + local_irq_save_nort(flags);
> kaddr = kmap_atomic(page, KM_BIO_SRC_IRQ);
> for (i = 0; i < recs; i++)
> post_read_mst_fixup((NTFS_RECORD*)(kaddr +
> i * rec_size), rec_size);
> kunmap_atomic(kaddr, KM_BIO_SRC_IRQ);
> - local_irq_restore(flags);
> + local_irq_restore_nort(flags);
> flush_dcache_page(page);
> if (likely(page_uptodate && !PageError(page)))
> SetPageUptodate(page);
>

Thanks, applied.

-- Steve

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