https://bugs.linaro.org/show_bug.cgi?id=3574
Bug ID: 3574
Summary: Use of ODP_ALIGNED()/ODP_ALIGNED_CACHE
Product: OpenDataPlane - linux- generic reference
Version: unspecified
Hardware: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: ---
Component: Buffers & Packets
Assignee: bill.fischo...@linaro.org
Reporter: ilias.apalodi...@linaro.org
CC: lng-odp@lists.linaro.org
Target Milestone: ---
The compiler seems to treat
#define ODP_ALIGN __attribute__ ((aligned (512)))
typedef struct {
uint32_t testv;
uint32_t testv1;
uint16_t testv4;
} test_t ODP_ALIGN;
typedef struct {
uint32_t testv;
uint32_t testv1;
uint16_t testv4;
} ODP_ALIGN test2_t;
These 2 differently. A printf of sizeof() and _Alignof for these yields
size: 12 align: 512 for test_t
size: 512 align: 512 for test2_t
This leads to segfaults on the new mediated device code when multiple cpu's are
used.
According to the standard the proper way is to define is as defined on test2_t.
We should change all definitions following test_t.
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