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From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: Linux Next Mailing List <linux-next@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	KVM <kvm@vger.kernel.org>, Paolo Bonzini <pbonzini@redhat.com>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
Subject: Re: linux-next: Tree for Jul 20 (arch/x86/kvm/)
Date: Tue, 21 Jul 2020 04:43:07 +1000	[thread overview]
Message-ID: <20200721044307.6b263e5b@canb.auug.org.au> (raw)
In-Reply-To: <1d2aa97d-4a94-673c-dc82-509da221c5d6@infradead.org>

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Hi Randy,

On Mon, 20 Jul 2020 09:56:08 -0700 Randy Dunlap <rdunlap@infradead.org> wrote:
>
> on x86_64:
> 
>   CC [M]  arch/x86/kvm/mmu/page_track.o
> In file included from ../include/linux/pid.h:5:0,
>                  from ../include/linux/sched.h:14,
>                  from ../include/linux/kvm_host.h:12,
>                  from ../arch/x86/kvm/mmu/page_track.c:14:
> ../arch/x86/kvm/mmu/page_track.c: In function ‘kvm_page_track_write’:
> ../include/linux/rculist.h:727:30: error: left-hand operand of comma expression has no effect [-Werror=unused-value]
>   for (__list_check_srcu(cond),     \
>                               ^
> ../arch/x86/kvm/mmu/page_track.c:232:2: note: in expansion of macro ‘hlist_for_each_entry_srcu’
>   hlist_for_each_entry_srcu(n, &head->track_notifier_list, node,
>   ^~~~~~~~~~~~~~~~~~~~~~~~~
> ../arch/x86/kvm/mmu/page_track.c: In function ‘kvm_page_track_flush_slot’:
> ../include/linux/rculist.h:727:30: error: left-hand operand of comma expression has no effect [-Werror=unused-value]
>   for (__list_check_srcu(cond),     \
>                               ^
> ../arch/x86/kvm/mmu/page_track.c:258:2: note: in expansion of macro ‘hlist_for_each_entry_srcu’
>   hlist_for_each_entry_srcu(n, &head->track_notifier_list, node,
>   ^~~~~~~~~~~~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors

Caused by commit

  bd4444c47de9 ("rculist : Introduce list/hlist_for_each_entry_srcu() macros")

presumably with CONFIG_PROVE_RCU_LIST not set.

-- 
Cheers,
Stephen Rothwell

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  reply	other threads:[~2020-07-20 18:43 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-20  9:42 linux-next: Tree for Jul 20 Stephen Rothwell
2020-07-20 15:51 ` linux-next: Tree for Jul 20 (kernel/bpf/net_namespace) Randy Dunlap
2020-07-20 18:49   ` Stephen Rothwell
2020-07-20 19:37     ` Alexei Starovoitov
2020-07-21 10:19       ` Jakub Sitnicki
2020-07-20 16:29 ` linux-next: Tree for Jul 20 (drivers/gpu/drm/bridge/sil-sii8620.o) Randy Dunlap
2020-07-20 16:41 ` linux-next: Tree for Jul 20 (scsi/ufs/exynos) Randy Dunlap
2020-07-21 17:41   ` Alim Akhtar
2020-09-09 20:04     ` Randy Dunlap
2020-09-10  2:27       ` Martin K. Petersen
2020-09-10  2:33         ` Alim Akhtar
2020-07-20 16:56 ` linux-next: Tree for Jul 20 (arch/x86/kvm/) Randy Dunlap
2020-07-20 18:43   ` Stephen Rothwell [this message]
2020-07-20 19:59     ` Paul E. McKenney

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