41 lines
1.1 KiB
Diff
41 lines
1.1 KiB
Diff
From: Thomas Gleixner <tglx@linutronix.de>
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Date: Fri, 3 Jul 2009 08:44:34 -0500
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Subject: mm: scatterlist dont disable irqs on RT
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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lib/scatterlist.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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Index: linux-3.2/lib/scatterlist.c
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===================================================================
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--- linux-3.2.orig/lib/scatterlist.c
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+++ linux-3.2/lib/scatterlist.c
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@@ -423,7 +423,7 @@ void sg_miter_stop(struct sg_mapping_ite
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flush_kernel_dcache_page(miter->page);
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if (miter->__flags & SG_MITER_ATOMIC) {
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- WARN_ON(!irqs_disabled());
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+ WARN_ON_NONRT(!irqs_disabled());
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kunmap_atomic(miter->addr, KM_BIO_SRC_IRQ);
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} else
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kunmap(miter->page);
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@@ -463,7 +463,7 @@ static size_t sg_copy_buffer(struct scat
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sg_miter_start(&miter, sgl, nents, sg_flags);
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- local_irq_save(flags);
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+ local_irq_save_nort(flags);
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while (sg_miter_next(&miter) && offset < buflen) {
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unsigned int len;
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@@ -480,7 +480,7 @@ static size_t sg_copy_buffer(struct scat
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sg_miter_stop(&miter);
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- local_irq_restore(flags);
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+ local_irq_restore_nort(flags);
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return offset;
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}
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