linux-kernel - Re: [PATCH 1/2] jiffies: Define secs_to

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Message-ID: <112aed61-2c4d-450e-9a44-cba33e2a017f@linux.microsoft.com>
Date: Tue, 22 Oct 2024 15:58:10 -0700
From: Easwar Hariharan <eahariha@...ux.microsoft.com>
To: lkp@...el.com, Marcel Holtmann <marcel@...tmann.org>,
 Johan Hedberg <johan.hedberg@...il.com>,
 Luiz Augusto von Dentz <luiz.dentz@...il.com>,
 Thomas Gleixner <tglx@...utronix.de>,
 Anna-Maria Behnsen <anna-maria@...utronix.de>,
 Geert Uytterhoeven <geert@...ux-m68k.org>,
 open list <linux-kernel@...r.kernel.org>,
 "open list:BLUETOOTH SUBSYSTEM" <linux-bluetooth@...r.kernel.org>,
 "K. Y. Srinivasan" <kys@...rosoft.com>,
 Haiyang Zhang <haiyangz@...rosoft.com>, Wei Liu <wei.liu@...nel.org>,
 Dexuan Cui <decui@...rosoft.com>, Linux-HyperV <linux-hyperv@...r.kernel.org>
Cc: eahariha@...ux.microsoft.com, Naman Jain <namjain@...ux.microsoft.com>,
 Michael Kelley <mhklinux@...look.com>
Subject: Re: [PATCH 1/2] jiffies: Define secs_to_jiffies()

On 10/22/2024 11:53 AM, Easwar Hariharan wrote:
> There are ~500 usages of msecs_to_jiffies() that either use a multiplier
> value of 1000 or equivalently MSEC_PER_SEC. Define secs_to_jiffies() to
> allow such code to be less clunky.
> 
> Suggested-by: Michael Kelley <mhklinux@...look.com>
> Signed-off-by: Easwar Hariharan <eahariha@...ux.microsoft.com>
> ---
>  include/linux/jiffies.h   | 2 ++
>  net/bluetooth/hci_event.c | 2 --
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
> index 1220f0fbe5bf..50dba516fd2f 100644
> --- a/include/linux/jiffies.h
> +++ b/include/linux/jiffies.h
> @@ -526,6 +526,8 @@ static __always_inline unsigned long msecs_to_jiffies(const unsigned int m)
>  	}
>  }
>  
> +#define secs_to_jiffies(_secs) msecs_to_jiffies((_secs) * MSEC_PER_SEC)
> +
>  extern unsigned long __usecs_to_jiffies(const unsigned int u);
>  #if !(USEC_PER_SEC % HZ)
>  static inline unsigned long _usecs_to_jiffies(const unsigned int u)
> diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
> index 0bbad90ddd6f..7b35c58bbbeb 100644
> --- a/net/bluetooth/hci_event.c
> +++ b/net/bluetooth/hci_event.c
> @@ -42,8 +42,6 @@
>  #define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
>  		 "\x00\x00\x00\x00\x00\x00\x00\x00"
>  
> -#define secs_to_jiffies(_secs) msecs_to_jiffies((_secs) * 1000)
> -
>  /* Handle HCI Event packets */
>  
>  static void *hci_ev_skb_pull(struct hci_dev *hdev, struct sk_buff *skb,

Sorry, I should have combined distribution lists for the two patches, so
everyone received both patches. Combining the lists with this email.

Here's the lore link for the series:
https://lore.kernel.org/all/20241022185353.2080021-1-eahariha@linux.microsoft.com/

Thanks,
Easwar