linux-kernel - Re: [PATCH v1] LoongArch/tlb: fix "error: parameter 'ptep' set but not used" due to __tlb_remove_tlb

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Message-Id: <20240417135834.ddaa9c038a8a8af2bd9e39aa@linux-foundation.org>
Date: Wed, 17 Apr 2024 13:58:34 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Huacai Chen <chenhuacai@...nel.org>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>, David Hildenbrand
 <david@...hat.com>, linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
 linux-arch@...r.kernel.org, loongarch@...ts.linux.dev,
 llvm@...ts.linux.dev, Arnd Bergmann <arnd@...db.de>, WANG Xuerui
 <kernel@...0n.name>, Nathan Chancellor <nathan@...nel.org>
Subject: Re: [PATCH v1] LoongArch/tlb: fix
 "error: parameter 'ptep' set but not used" due to __tlb_remove_tlb_entry()

On Wed, 17 Apr 2024 11:18:27 +0800 Huacai Chen <chenhuacai@...nel.org> wrote:

> On Wed, Apr 17, 2024 at 3:25 AM Miguel Ojeda
> <miguel.ojeda.sandonis@...il.com> wrote:
> >
> > On Tue, Apr 16, 2024 at 4:49 PM David Hildenbrand <david@...hat.com> wrote:
> > >
> > > With LLVM=1 and W=1 we get:
> >
> > Hmm... I didn't need W=1 to trigger it (LLVM 18.1.2).
> >
> > > Reported-by: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
> >
> > Thanks, looks good to me -- built-tested:
> >
> > Reviewed-by: Miguel Ojeda <ojeda@...nel.org>
> > Tested-by: Miguel Ojeda <ojeda@...nel.org>
> >
>
> Queued for loongarch-fixes, thanks.
> 

(top-posting repaired so I can sensibly reply to this.  Please avoid
top-posting!)

I'd rather carry this in mm.git with your ack please.  Otherwise mm.git
won't compile without it and if I retain this patch we'll get
duplicate-patch emails from Stephen and I won't be able to merge
mm.git's mm-nonmm-stable tree into Linus until loongarch-fixes has
merged.