From: Christophe JAILLET <christophe.jaillet@wanadoo.fr> To: jesse.brandeburg@intel.com, anthony.l.nguyen@intel.com, davem@davemloft.net, kuba@kernel.org Cc: intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET <christophe.jaillet@wanadoo.fr> Subject: [PATCH] ice: Slightly simply ice_find_free_recp_res_idx Date: Wed, 17 Nov 2021 22:21:19 +0100 [thread overview] Message-ID: <dc5cd04eed7dd3100f5860acaa995efa40ddecc8.1637183999.git.christophe.jaillet@wanadoo.fr> (raw) The 'possible_idx' bitmap is set just after it is zeroed, so we can save the first step. The 'free_idx' bitmap is used only at the end of the function as the result of a bitmap xor operation. So there is no need to explicitly zero it before. So, slightly simply the code and remove 2 useless 'bitmap_zero()' call Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- I don't think it will make any differences in RL. ICE_MAX_FV_WORDS is just 48 (bits), so 1 or 2 longs --- drivers/net/ethernet/intel/ice/ice_switch.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c index 793f4a9fc2cd..78bfb9fd318d 100644 --- a/drivers/net/ethernet/intel/ice/ice_switch.c +++ b/drivers/net/ethernet/intel/ice/ice_switch.c @@ -4071,10 +4071,8 @@ ice_find_free_recp_res_idx(struct ice_hw *hw, const unsigned long *profiles, DECLARE_BITMAP(used_idx, ICE_MAX_FV_WORDS); u16 bit; - bitmap_zero(possible_idx, ICE_MAX_FV_WORDS); bitmap_zero(recipes, ICE_MAX_NUM_RECIPES); bitmap_zero(used_idx, ICE_MAX_FV_WORDS); - bitmap_zero(free_idx, ICE_MAX_FV_WORDS); bitmap_set(possible_idx, 0, ICE_MAX_FV_WORDS); -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr> To: intel-wired-lan@osuosl.org Subject: [Intel-wired-lan] [PATCH] ice: Slightly simply ice_find_free_recp_res_idx Date: Wed, 17 Nov 2021 22:21:19 +0100 [thread overview] Message-ID: <dc5cd04eed7dd3100f5860acaa995efa40ddecc8.1637183999.git.christophe.jaillet@wanadoo.fr> (raw) The 'possible_idx' bitmap is set just after it is zeroed, so we can save the first step. The 'free_idx' bitmap is used only at the end of the function as the result of a bitmap xor operation. So there is no need to explicitly zero it before. So, slightly simply the code and remove 2 useless 'bitmap_zero()' call Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- I don't think it will make any differences in RL. ICE_MAX_FV_WORDS is just 48 (bits), so 1 or 2 longs --- drivers/net/ethernet/intel/ice/ice_switch.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c index 793f4a9fc2cd..78bfb9fd318d 100644 --- a/drivers/net/ethernet/intel/ice/ice_switch.c +++ b/drivers/net/ethernet/intel/ice/ice_switch.c @@ -4071,10 +4071,8 @@ ice_find_free_recp_res_idx(struct ice_hw *hw, const unsigned long *profiles, DECLARE_BITMAP(used_idx, ICE_MAX_FV_WORDS); u16 bit; - bitmap_zero(possible_idx, ICE_MAX_FV_WORDS); bitmap_zero(recipes, ICE_MAX_NUM_RECIPES); bitmap_zero(used_idx, ICE_MAX_FV_WORDS); - bitmap_zero(free_idx, ICE_MAX_FV_WORDS); bitmap_set(possible_idx, 0, ICE_MAX_FV_WORDS); -- 2.30.2
next reply other threads:[~2021-11-17 21:21 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-11-17 21:21 Christophe JAILLET [this message] 2021-11-17 21:21 ` [Intel-wired-lan] [PATCH] ice: Slightly simply ice_find_free_recp_res_idx Christophe JAILLET 2022-01-06 4:47 ` Penigalapati, Sandeep 2022-01-06 4:47 ` Penigalapati, Sandeep
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