linux-kernel - Re: [PATCH 1/3] soc: qcom: rpmh-rsc: Remove tcs_is

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] [day] [month] [year] [list]

Message-ID: <158774930920.135303.8846586262429360001@swboyd.mtv.corp.google.com>
Date:   Fri, 24 Apr 2020 10:28:29 -0700
From:   Stephen Boyd <swboyd@...omium.org>
To:     Doug Anderson <dianders@...omium.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Maulik Shah <mkshah@...eaurora.org>
Subject: Re: [PATCH 1/3] soc: qcom: rpmh-rsc: Remove tcs_is_free() API

Quoting Doug Anderson (2020-04-24 10:12:04)
> On Thu, Apr 23, 2020 at 9:54 PM Stephen Boyd <swboyd@...omium.org> wrote:
> > +       unsigned long i;
> >
> > -       for (i = 0; i < tcs->num_tcs; i++) {
> > -               if (tcs_is_free(tcs->drv, tcs->offset + i))
> > -                       return tcs->offset + i;
> > -       }
> > +       i = find_next_zero_bit(drv->tcs_in_use, MAX_TCS_NR, tcs->offset);
> 
> Rather than passing MAX_TCS_NR would it be legit to pass "tcs->offset
> + tcs->num_tcs"?  You are passing that as "size" above in
> check_for_req_inflight().

Yeah I think that should work. I'll roll it in.