Re: [PATCH] documentation: fix broken lkml archive links in RCU requirements

From: Paul E. McKenney
Date: Thu Sep 15 2016 - 10:49:47 EST


On Thu, Sep 15, 2016 at 09:18:28AM -0400, Steven Rostedt wrote:
> On Thu, 15 Sep 2016 14:17:06 +0200
> Michael Opdenacker <michael.opdenacker@xxxxxxxxxxxxxxxxxx> wrote:
>
> > Fix 4 LKML archive links that became broken
> > (issue with https://lkml.kernel.org/g/ redirection links)
> >
> > Signed-off-by: Michael Opdenacker <michael.opdenacker@xxxxxxxxxxxxxxxxxx>
> > ---
> > Documentation/RCU/Design/Requirements/Requirements.html | 8 ++++----
> > 1 file changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git a/Documentation/RCU/Design/Requirements/Requirements.html b/Documentation/RCU/Design/Requirements/Requirements.html
> > index ece410f40436..1c39a2362911 100644
> > --- a/Documentation/RCU/Design/Requirements/Requirements.html
> > +++ b/Documentation/RCU/Design/Requirements/Requirements.html
> > @@ -1527,7 +1527,7 @@ However, as I learned from Matt Mackall's
> > <a href="http://elinux.org/Linux_Tiny-FAQ";>bloatwatch</a>
> > efforts, memory footprint is critically important on single-CPU systems with
> > non-preemptible (<tt>CONFIG_PREEMPT=n</tt>) kernels, and thus
> > -<a href="https://lkml.kernel.org/g/20090113221724.GA15307@xxxxxxxxxxxxxxxxxx";>tiny RCU</a>
> > +<a href="https://lkml.kernel.org/r/20090113221724.GA15307@xxxxxxxxxxxxxxxxxx";>tiny RCU</a>
> > was born.
> > Josh Triplett has since taken over the small-memory banner with his
> > <a href="https://tiny.wiki.kernel.org/";>Linux kernel tinification</a>
> > @@ -1975,7 +1975,7 @@ guard against mishaps and misuse:
> > and cleaned up with <tt>destroy_rcu_head()</tt>.
> > Mathieu Desnoyers made me aware of this requirement, and also
> > supplied the needed
> > - <a href="https://lkml.kernel.org/g/20100319013024.GA28456@Krystal";>patch</a>.
> > + <a href="https://lkml.kernel.org/r/20100319013024.GA28456@Krystal";>patch</a>.
> > <li> An infinite loop in an RCU read-side critical section will
> > eventually trigger an RCU CPU stall warning splat, with
> > the duration of &ldquo;eventually&rdquo; being controlled by the
> > @@ -2088,7 +2088,7 @@ be hidden behind a <tt>CONFIG_RCU_EXPERT</tt> <tt>Kconfig</tt> option.
> > <p>
> > This all should be quite obvious, but the fact remains that
> > Linus Torvalds recently had to
> > -<a href="https://lkml.kernel.org/g/CA+55aFy4wcCwaL4okTs8wXhGZ5h-ibecy_Meg9C4MNQrUnwMcg@xxxxxxxxxxxxxx";>remind</a>
> > +<a href="https://lkml.kernel.org/r/CA+55aFy4wcCwaL4okTs8wXhGZ5h-ibecy_Meg9C4MNQrUnwMcg@xxxxxxxxxxxxxx";>remind</a>
> > me of this requirement.
> >
> > <h3><a name="Firmware Interface">Firmware Interface</a></h3>
> > @@ -2229,7 +2229,7 @@ Thankfully, RCU update-side primitives, including
> > The name notwithstanding, some Linux-kernel architectures
> > can have nested NMIs, which RCU must handle correctly.
> > Andy Lutomirski
> > -<a href="https://lkml.kernel.org/g/CALCETrXLq1y7e_dKFPgou-FKHB6Pu-r8+t-6Ds+8=va7anBWDA@xxxxxxxxxxxxxx";>surprised me</a>
> > +<a href="https://lkml.kernel.org/r/CALCETrXLq1y7e_dKFPgou-FKHB6Pu-r8+t-6Ds+8=va7anBWDA@xxxxxxxxxxxxxx";>surprised me</a>
> > with this requirement;
> > he also kindly surprised me with
> > <a href="https://lkml.kernel.org/g/CALCETrXSY9JpW3uE6H8WYk81sg56qasA2aqmjMPsq5dOtzso=g@xxxxxxxxxxxxxx";>an algorithm</a>
>
> Strange that this one still works. Anyway...
>
>
> Acked-by: Steven Rostedt <rostedt@xxxxxxxxxxx>

So we are confident that these links won't be fixed by the next merge
window?

Thanx, Paul