From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: dev@dpdk.org
Cc: "Bruce Richardson" <bruce.richardson@intel.com>,
"Stephen Hemminger" <stephen@networkplumber.org>,
"Thomas Monjalon" <thomas@monjalon.net>,
"Morten Brørup" <mb@smartsharesystems.com>,
"Tyler Retzlaff" <roretzla@linux.microsoft.com>
Subject: [PATCH 2/4] hash: use alloca instead of vla trivial
Date: Thu, 4 Apr 2024 10:15:11 -0700 [thread overview]
Message-ID: <1712250913-1977-3-git-send-email-roretzla@linux.microsoft.com> (raw)
In-Reply-To: <1712250913-1977-1-git-send-email-roretzla@linux.microsoft.com>
RFC sample illustrating simple conversion of VLA to alloca() where
dimension multiplier removed.
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
---
lib/hash/rte_thash.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/hash/rte_thash.c b/lib/hash/rte_thash.c
index 68f653f..633e211 100644
--- a/lib/hash/rte_thash.c
+++ b/lib/hash/rte_thash.c
@@ -771,7 +771,7 @@ struct rte_thash_subtuple_helper *
uint32_t desired_value, unsigned int attempts,
rte_thash_check_tuple_t fn, void *userdata)
{
- uint32_t tmp_tuple[tuple_len / sizeof(uint32_t)];
+ uint32_t *tmp_tuple = alloca(tuple_len);
unsigned int i, j, ret = 0;
uint32_t hash, adj_bits;
const uint8_t *hash_key;
--
1.8.3.1
next prev parent reply other threads:[~2024-04-04 17:15 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-07 19:32 RFC acceptable handling of VLAs across toolchains Tyler Retzlaff
2023-11-08 2:31 ` Stephen Hemminger
2023-11-08 3:25 ` Tyler Retzlaff
2023-11-08 8:19 ` Morten Brørup
2023-11-08 16:51 ` Stephen Hemminger
2023-11-08 17:48 ` Morten Brørup
2023-11-09 10:25 ` RFC: default burst sizes in rte_config Morten Brørup
2023-11-09 20:26 ` RFC acceptable handling of VLAs across toolchains Tyler Retzlaff
2024-03-21 0:12 ` Tyler Retzlaff
2024-04-04 17:15 ` [PATCH 0/4] RFC samples converting VLA to alloca Tyler Retzlaff
2024-04-04 17:15 ` [PATCH 1/4] latencystats: use alloca instead of vla trivial Tyler Retzlaff
2024-04-06 15:28 ` Morten Brørup
2024-04-07 9:36 ` Mattias Rönnblom
2024-04-07 17:00 ` Stephen Hemminger
2024-04-04 17:15 ` Tyler Retzlaff [this message]
2024-04-06 16:01 ` [PATCH 2/4] hash: " Morten Brørup
2024-04-04 17:15 ` [PATCH 3/4] vhost: use alloca instead of vla sizeof Tyler Retzlaff
2024-04-06 22:30 ` Morten Brørup
2024-04-04 17:15 ` [PATCH 4/4] dispatcher: use alloca instead of vla multi dimensional Tyler Retzlaff
2024-04-06 15:49 ` Morten Brørup
2024-04-07 9:31 ` [PATCH 0/4] RFC samples converting VLA to alloca Mattias Rönnblom
2024-04-07 11:07 ` Morten Brørup
2024-04-07 17:03 ` Stephen Hemminger
2024-04-08 15:27 ` Tyler Retzlaff
2024-04-08 15:53 ` Morten Brørup
2024-04-09 8:28 ` Konstantin Ananyev
2024-04-09 15:08 ` Tyler Retzlaff
2024-04-10 9:58 ` Konstantin Ananyev
2024-04-10 17:03 ` Tyler Retzlaff
2024-04-10 7:32 ` Mattias Rönnblom
2024-04-10 7:52 ` Morten Brørup
2024-04-10 17:04 ` Tyler Retzlaff
2024-04-10 7:27 ` Mattias Rönnblom
2024-04-10 17:10 ` Tyler Retzlaff
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