Thread (16 messages) 16 messages, 6 authors, 2012-06-17

Re: [PATCH 2/5] drivers/net/ethernet/dec/tulip: Use standard __set_bit_le() function

From: Akinobu Mita <akinobu.mita@gmail.com>
Date: 2012-06-13 09:43:45
Also in: kvm, linux-arch, lkml

2012/6/13 Takuya Yoshikawa [off-list ref]:
quoted hunk ↗ jump to hunk
From: Takuya Yoshikawa <redacted>

To introduce generic set_bit_le() later, we remove our own definition
and use a proper non-atomic bitops function: __set_bit_le().

Signed-off-by: Takuya Yoshikawa <redacted>
Acked-by: Grant Grundler <redacted>
---
 drivers/net/ethernet/dec/tulip/de2104x.c    |    7 ++-----
 drivers/net/ethernet/dec/tulip/tulip_core.c |    7 ++-----
 2 files changed, 4 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/dec/tulip/de2104x.c b/drivers/net/ethernet/dec/tulip/de2104x.c
index 61cc093..77335853 100644
--- a/drivers/net/ethernet/dec/tulip/de2104x.c
+++ b/drivers/net/ethernet/dec/tulip/de2104x.c
@@ -661,9 +661,6 @@ static netdev_tx_t de_start_xmit (struct sk_buff *skb,
   new frame, not around filling de->setup_frame.  This is non-deterministic
   when re-entered but still correct. */

-#undef set_bit_le
-#define set_bit_le(i,p) do { ((char *)(p))[(i)/8] |= (1<<((i)%8)); } while(0)
-
 static void build_setup_frame_hash(u16 *setup_frm, struct net_device *dev)
 {
       struct de_private *de = netdev_priv(dev);
@@ -673,12 +670,12 @@ static void build_setup_frame_hash(u16 *setup_frm, struct net_device *dev)
       u16 *eaddrs;

       memset(hash_table, 0, sizeof(hash_table));
-       set_bit_le(255, hash_table);                    /* Broadcast entry */
+       __set_bit_le(255, hash_table);                  /* Broadcast entry */
Should this hash_table be converted from u16 hash_table[32] to
DECLARE_BITMAP(hash_table, 16 * 32) to ensure that it is aligned
on long-word boundary?
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