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Commit d6ec0842 authored by Jens Axboe's avatar Jens Axboe
Browse files

Add CONFIG_DEBUG_SG sg validation 



Add a Kconfig entry which will toggle some sanity checks on the sg
entry and tables.

Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 18dabf47

include/asm-alpha/scatterlist.h

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@@ -5,6 +5,9 @@ 
#include <asm/types.h>

  

struct scatterlist {

#ifdef CONFIG_DEBUG_SG

	unsigned long sg_magic;

#endif

	unsigned long page_link;

	unsigned int offset;

include/asm-arm/scatterlist.h

+3 −0
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@@ -5,6 +5,9 @@ 
#include <asm/types.h>



struct scatterlist {

#ifdef CONFIG_DEBUG_SG

	unsigned long	sg_magic;

#endif

	unsigned long	page_link;

	unsigned int	offset;		/* buffer offset		 */

	dma_addr_t	dma_address;	/* dma address			 */

include/asm-avr32/scatterlist.h

+3 −0
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@@ -4,6 +4,9 @@ 
#include <asm/types.h>



struct scatterlist {

#ifdef CONFIG_DEBUG_SG

   unsigned long	sg_magic;

#endif

    unsigned long	page_link;

    unsigned int	offset;

    dma_addr_t		dma_address;

include/asm-blackfin/scatterlist.h

+3 −0
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@@ -4,6 +4,9 @@ 
#include <linux/mm.h>



struct scatterlist {

#ifdef CONFIG_DEBUG_SG

	unsigned long sg_magic;

#endif

	unsigned long page_link;

	unsigned int offset;

	dma_addr_t dma_address;

include/asm-cris/scatterlist.h

+3 −0
Original line number Diff line number Diff line
@@ -2,6 +2,9 @@ 
#define __ASM_CRIS_SCATTERLIST_H



struct scatterlist {

#ifdef CONFIG_DEBUG_SG

	unsigned long sg_magic;

#endif

	char *  address;    /* Location data is to be transferred to */

	unsigned int length;