From: Andrew Morton <akpm@linux-foundation.org>
To: David Hildenbrand <david@redhat.com>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>,
kasan-dev <kasan-dev@googlegroups.com>,
linux-mm <linux-mm@kvack.org>,
open list <linux-kernel@vger.kernel.org>,
linux-riscv <linux-riscv@lists.infradead.org>,
linux-s390@vger.kernel.org, lkft-triage@lists.linaro.org,
Linux Regressions <regressions@lists.linux.dev>,
Andrew Morton <akpm@linuxfoundation.org>,
Kevin Brodsky <kevin.brodsky@arm.com>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Dan Carpenter <dan.carpenter@linaro.org>,
Arnd Bergmann <arnd@arndb.de>,
Anders Roxell <anders.roxell@linaro.org>,
Ben Copeland <benjamin.copeland@linaro.org>
Subject: Re: next-20250912: riscv: s390: mm/kasan/shadow.c 'kasan_populate_vmalloc_pte' pgtable.h:247:41: error: statement with no effect [-Werror=unused-value]
Date: Fri, 12 Sep 2025 16:12:40 -0700 [thread overview]
Message-ID: <20250912161240.0a5fac78fed5ed8ddc32450a@linux-foundation.org> (raw)
In-Reply-To: <d7a03a2b-d950-4645-80f2-63830bd84f76@redhat.com>
On Fri, 12 Sep 2025 13:34:37 +0200 David Hildenbrand <david@redhat.com> wrote:
> > [-Werror=unused-value]
> > 247 | #define arch_enter_lazy_mmu_mode() (LAZY_MMU_DEFAULT)
> > | ^
> > mm/kasan/shadow.c:322:9: note: in expansion of macro 'arch_enter_lazy_mmu_mode'
> > 322 | arch_enter_lazy_mmu_mode();
> > | ^~~~~~~~~~~~~~~~~~~~~~~~
> > mm/kasan/shadow.c: In function 'kasan_depopulate_vmalloc_pte':
> > include/linux/pgtable.h:247:41: error: statement with no effect
> > [-Werror=unused-value]
> > 247 | #define arch_enter_lazy_mmu_mode() (LAZY_MMU_DEFAULT)
> > | ^
> > mm/kasan/shadow.c:497:9: note: in expansion of macro 'arch_enter_lazy_mmu_mode'
> > 497 | arch_enter_lazy_mmu_mode();
> > | ^~~~~~~~~~~~~~~~~~~~~~~~
> > cc1: all warnings being treated as errors
> >
>
>
> I'm afraid these changes landed in -mm-unstable a bit too early.
>
OK, I'll drop Patch series "Nesting support for lazy MMU mode", v2.
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prev parent reply other threads:[~2025-09-12 23:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-12 11:32 next-20250912: riscv: s390: mm/kasan/shadow.c 'kasan_populate_vmalloc_pte' pgtable.h:247:41: error: statement with no effect [-Werror=unused-value] Naresh Kamboju
2025-09-12 11:34 ` David Hildenbrand
2025-09-12 23:12 ` Andrew Morton [this message]
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