linux-kernel - Re: 32bit x86 build broken (was: Re: [GIT PULL] Networking for 5.16-rc1)

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Message-ID: <20211112063355.16cb9d3b@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Fri, 12 Nov 2021 06:33:55 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        David Miller <davem@...emloft.net>,
        Netdev <netdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>,
        NetFilter <netfilter-devel@...r.kernel.org>,
        linux-can@...r.kernel.org
Subject: Re: 32bit x86 build broken (was: Re: [GIT PULL] Networking for
 5.16-rc1)

On Thu, 11 Nov 2021 18:48:43 -0800 Linus Torvalds wrote:
> On Thu, Nov 11, 2021 at 5:46 PM Jakub Kicinski <kuba@...nel.org> wrote:
> > Rafael, Srinivas, we're getting 32 bit build failures after pulling back
> > from Linus today.
> >
> > make[1]: *** [/home/nipa/net/Makefile:1850: drivers] Error 2
> > make: *** [Makefile:219: __sub-make] Error 2
> > ../drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c: In function ‘send_mbox_cmd’:
> > ../drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c:79:37: error: implicit declaration of function ‘readq’; did you mean ‘readl’? [-Werror=implicit-function-declaration]
> >    79 |                         *cmd_resp = readq((void __iomem *) (proc_priv->mmio_base + MBOX_OFFSET_DATA));
> >       |                                     ^~~~~
> >       |                                     readl  
> 
> Gaah.
> 
> The trivial fix is *probably* just a simple

To be sure - are you planning to wait for the fix to come via 
the usual path?  We can hold applying new patches to net on the 
off chance that you'd apply the fix directly and we can fast 
forward again :) 

Not that 32bit x86 matters all that much in practice, it's just 
for preventing new errors (64b divs, mostly) from sneaking in.

I'm guessing Rafeal may be AFK for the independence day weekend.