* [dpdk-stable] [dpdk-dev] [PATCH] lib/librte_table: fix arm64 hash function selection
@ 2019-04-06 13:29 Jerin Jacob Kollanukkaran
2019-04-08 13:37 ` Dumitrescu, Cristian
0 siblings, 1 reply; 3+ messages in thread
From: Jerin Jacob Kollanukkaran @ 2019-04-06 13:29 UTC (permalink / raw)
To: Cristian Dumitrescu
Cc: dev, thomas, Jerin Jacob Kollanukkaran, Gavin Hu, stable
From: Jerin Jacob <jerinj@marvell.com>
Use CRC32 instruction only when it is available to avoid
the build issue like below.
{standard input}:16: Error:
selected processor does not support `crc32cx w3,w3,x0'
Fixes: ea7be0a0386e ("lib/librte_table: add hash function headers")
Cc: Gavin Hu <gavin.hu@arm.com>
Cc: stable@dpdk.org
Signed-off-by: Jerin Jacob <jerinj@marvell.com>
---
lib/librte_table/rte_table_hash_func.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/librte_table/rte_table_hash_func.h b/lib/librte_table/rte_table_hash_func.h
index 02296eabe..11ea5a90e 100644
--- a/lib/librte_table/rte_table_hash_func.h
+++ b/lib/librte_table/rte_table_hash_func.h
@@ -40,7 +40,7 @@ rte_crc32_u64(uint64_t crc, uint64_t v)
return _mm_crc32_u64(crc, v);
}
-#elif defined(RTE_ARCH_ARM64)
+#elif defined(RTE_ARCH_ARM64) && defined(RTE_MACHINE_CPUFLAG_CRC32)
#include "rte_table_hash_func_arm64.h"
#else
--
2.21.0
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [dpdk-stable] [dpdk-dev] [PATCH] lib/librte_table: fix arm64 hash function selection
2019-04-06 13:29 [dpdk-stable] [dpdk-dev] [PATCH] lib/librte_table: fix arm64 hash function selection Jerin Jacob Kollanukkaran
@ 2019-04-08 13:37 ` Dumitrescu, Cristian
2019-04-10 20:05 ` Thomas Monjalon
0 siblings, 1 reply; 3+ messages in thread
From: Dumitrescu, Cristian @ 2019-04-08 13:37 UTC (permalink / raw)
To: Jerin Jacob Kollanukkaran; +Cc: dev, thomas, Gavin Hu, stable
> -----Original Message-----
> From: Jerin Jacob Kollanukkaran [mailto:jerinj@marvell.com]
> Sent: Saturday, April 6, 2019 2:30 PM
> To: Dumitrescu, Cristian <cristian.dumitrescu@intel.com>
> Cc: dev@dpdk.org; thomas@monjalon.net; Jerin Jacob Kollanukkaran
> <jerinj@marvell.com>; Gavin Hu <gavin.hu@arm.com>; stable@dpdk.org
> Subject: [dpdk-dev] [PATCH] lib/librte_table: fix arm64 hash function
> selection
>
> From: Jerin Jacob <jerinj@marvell.com>
>
> Use CRC32 instruction only when it is available to avoid
> the build issue like below.
>
> {standard input}:16: Error:
> selected processor does not support `crc32cx w3,w3,x0'
>
> Fixes: ea7be0a0386e ("lib/librte_table: add hash function headers")
> Cc: Gavin Hu <gavin.hu@arm.com>
> Cc: stable@dpdk.org
>
> Signed-off-by: Jerin Jacob <jerinj@marvell.com>
> ---
> lib/librte_table/rte_table_hash_func.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [dpdk-stable] [dpdk-dev] [PATCH] lib/librte_table: fix arm64 hash function selection
2019-04-08 13:37 ` Dumitrescu, Cristian
@ 2019-04-10 20:05 ` Thomas Monjalon
0 siblings, 0 replies; 3+ messages in thread
From: Thomas Monjalon @ 2019-04-10 20:05 UTC (permalink / raw)
To: Jerin Jacob Kollanukkaran; +Cc: dev, Dumitrescu, Cristian, Gavin Hu, stable
> > From: Jerin Jacob <jerinj@marvell.com>
> >
> > Use CRC32 instruction only when it is available to avoid
> > the build issue like below.
> >
> > {standard input}:16: Error:
> > selected processor does not support `crc32cx w3,w3,x0'
> >
> > Fixes: ea7be0a0386e ("lib/librte_table: add hash function headers")
> > Cc: Gavin Hu <gavin.hu@arm.com>
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Jerin Jacob <jerinj@marvell.com>
>
> Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
Applied, thanks
^ permalink raw reply [flat|nested] 3+ messages in thread
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2019-04-06 13:29 [dpdk-stable] [dpdk-dev] [PATCH] lib/librte_table: fix arm64 hash function selection Jerin Jacob Kollanukkaran
2019-04-08 13:37 ` Dumitrescu, Cristian
2019-04-10 20:05 ` Thomas Monjalon
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