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[hermon] Add missing __attribute__ (( packed ))

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On 64-bit builds, MLX_DECLARE_STRUCT() produces a structure that is
always a multiple of 64 bits long, causing the HCR structure to be
over-length by one dword.  This in turn causes hermon_cmd() to write
beyond the end of the HCR, which causes commands to fail.

Reported-by: Itay Gazit <itayg@mellanox.co.il>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2011-02-16 18:38:26 +00:00
parent 0e878b30fe
commit e8c636fe75
1 changed files with 2 additions and 2 deletions
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4
src/drivers/infiniband/mlx_bitops.h
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@ -46,8 +46,8 @@ typedef unsigned char pseudo_bit_t;
uint8_t bytes[ sizeof ( struct _structure ## _st ) / 8 ]; \
uint32_t dwords[ sizeof ( struct _structure ## _st ) / 32 ]; \
struct _structure ## _st *dummy[0]; \
} u; \
}
} __attribute__ (( packed )) u; \
} __attribute__ (( packed ))
/** Get pseudo_bit_t structure type from wrapper structure pointer */
#define MLX_PSEUDO_STRUCT( _ptr ) \