Hello Nicolas!
Good news!
I think I've found the problem, this seems to work (tested with SLUB and SLAB).
If you're in the cleanup stage, I think the whole kmap and kunmap can be in the
'if (cpu_is_at91rm9200())',
we have no reason to kmap data we don't touch :-D
Regards
Marc
--- drivers/mmc/host/at91_mci.c-2.6.22-rc5.orig 2007-06-21 16:27:31.000000000
+0200
+++ drivers/mmc/host/at91_mci.c-2.6.22-rc5 2007-06-21 16:42:48.000000000
+0200
@@ -164,7 +164,7 @@ static inline void at91mci_sg_to_dma(str
else
memcpy(dmabuf, sgbuffer, amount);
- kunmap_atomic(sgbuffer, KM_BIO_SRC_IRQ);
+ kunmap_atomic(sgbuffer - sg->offset, KM_BIO_SRC_IRQ);
if (size == 0)
break;
@@ -293,7 +293,7 @@ static void at91mci_post_dma_read(struct
buffer[index] = swab32(buffer[index]);
}
- kunmap_atomic(buffer, KM_BIO_SRC_IRQ);
+ kunmap_atomic(buffer - sg->buffer, KM_BIO_SRC_IRQ);
flush_dcache_page(sg->page);
}
-
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