linux-kernel - Re: [PATCH 05/12] PM / OPP: Use dev_pm_opp_get_opp_table() instead of _add_opp

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 9 Jan 2017 15:43:31 -0800
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Rafael Wysocki <rjw@...ysocki.net>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        linaro-kernel@...ts.linaro.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [PATCH 05/12] PM / OPP: Use dev_pm_opp_get_opp_table() instead
 of _add_opp_table()

On 12/07, Viresh Kumar wrote:
> Migrate all users of _add_opp_table() to use dev_pm_opp_get_opp_table()
> to guarantee that the OPP table doesn't get freed while being used.
> 
> Also update _managed_opp() to get the reference to the OPP table.
> 
> Now that the OPP table wouldn't get freed while these routines are
> executing after dev_pm_opp_get_opp_table() is called, there is no need
> to take opp_table_lock. Drop them as well.
> 
> Now that _add_opp_table(), _remove_opp_table() and the unlocked release
> routines aren't used anymore, remove them.
> 
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---

Reviewed-by: Stephen Boyd <sboyd@...eaurora.org>

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project