Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1467276 > unrolled thread

Re: [PATCH v2 4/4] rtl8712: pwrctrl_priv: Replace semaphore lock with mutex

Started byGreg Kroah-Hartman <gregkh@linuxfoundation.org>
First post2016-08-21 23:40 +0200
Last post2016-08-21 23:40 +0200
Articles 1 — 1 participant

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.


Contents

  Re: [PATCH v2 4/4] rtl8712: pwrctrl_priv: Replace semaphore lock  with mutex Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-21 23:40 +0200

#1467276 — Re: [PATCH v2 4/4] rtl8712: pwrctrl_priv: Replace semaphore lock with mutex

FromGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Date2016-08-21 23:40 +0200
SubjectRe: [PATCH v2 4/4] rtl8712: pwrctrl_priv: Replace semaphore lock with mutex
Message-ID<s8IDf-5Jn-17@gated-at.bofh.it>
On Thu, Jun 02, 2016 at 09:54:10AM +0530, Binoy Jayan wrote:
> The semaphore 'lock' in 'pwrctrl_priv' is used as a simple mutex, so it
> should be written as one. Semaphores are going away in the future.
> _enter_pwrlock was using down_interruptible(), so the lock could be broken
> by sending a signal. This could be a bug, because nothing checks the return
> code here. Hence, using mutex_lock instead of the interruptible version.
> Removing the now unused _enter_pwrlock and _down_sema.
> 
> Signed-off-by: Binoy Jayan <binoy.jayan@linaro.org>
> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
> Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
> ---
> This patch depends on the following patch:
>   rtl8712: intf_priv: Replace semaphore lock with completion

This one patch doesn't apply to my tree for some odd reason.

Can you rebase it on my staging-testing branch and resend it?

thanks,

greg k-h

[toc] | [standalone]


Back to top | Article view | linux.kernel


csiph-web