From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: KVM <kvm@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build failure after merge of the kvm tree
Date: Fri, 12 Apr 2024 13:35:16 +1000 [thread overview]
Message-ID: <20240412133516.0286f480@canb.auug.org.au> (raw)
In-Reply-To: <20240412133407.3364cda3@canb.auug.org.au>
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Hi all,
On Fri, 12 Apr 2024 13:34:07 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> After merging the kvm tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
>
> kernel/events/uprobes.c: In function '__replace_page':
> kernel/events/uprobes.c:160:35: error: storage size of 'range' isn't known
> 160 | struct mmu_notifier_range range;
> | ^~~~~
> kernel/events/uprobes.c:162:9: error: implicit declaration of function 'mmu_notifier_range_init' [-Werror=implicit-function-declaration]
> 162 | mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, mm, addr,
> | ^~~~~~~~~~~~~~~~~~~~~~~
> kernel/events/uprobes.c:162:41: error: 'MMU_NOTIFY_CLEAR' undeclared (first use in this function)
> 162 | mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, mm, addr,
> | ^~~~~~~~~~~~~~~~
> kernel/events/uprobes.c:162:41: note: each undeclared identifier is reported only once for each function it appears in
> kernel/events/uprobes.c:175:9: error: implicit declaration of function 'mmu_notifier_invalidate_range_start' [-Werror=implicit-function-declaration]
> 175 | mmu_notifier_invalidate_range_start(&range);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> kernel/events/uprobes.c:208:9: error: implicit declaration of function 'mmu_notifier_invalidate_range_end' [-Werror=implicit-function-declaration]
> 208 | mmu_notifier_invalidate_range_end(&range);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> kernel/events/uprobes.c:160:35: warning: unused variable 'range' [-Wunused-variable]
> 160 | struct mmu_notifier_range range;
> | ^~~~~
> cc1: some warnings being treated as errors
>
> Caused by commit
>
> b06d4c260e93 ("mm: replace set_pte_at_notify() with just set_pte_at()")
>
> I have applied the following patial revert for today.
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Fri, 12 Apr 2024 13:27:20 +1000
Subject: [PATCH] fix up for "mm: replace set_pte_at_notify() with just
set_pte_at()"
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
kernel/events/uprobes.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index f4523b95c945..1215bc299390 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -18,6 +18,7 @@
#include <linux/sched/coredump.h>
#include <linux/export.h>
#include <linux/rmap.h> /* anon_vma_prepare */
+#include <linux/mmu_notifier.h>
#include <linux/swap.h> /* folio_free_swap */
#include <linux/ptrace.h> /* user_enable_single_step */
#include <linux/kdebug.h> /* notifier mechanism */
--
2.43.0
--
Cheers,
Stephen Rothwell
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next prev parent reply other threads:[~2024-04-12 3:35 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-12 3:34 linux-next: build failure after merge of the kvm tree Stephen Rothwell
2024-04-12 3:35 ` Stephen Rothwell [this message]
2024-04-12 12:14 ` Paolo Bonzini
-- strict thread matches above, loose matches on Subject: below --
2023-11-22 2:14 Stephen Rothwell
2023-11-20 4:22 Stephen Rothwell
2023-12-11 2:50 ` Stephen Rothwell
2022-04-19 5:34 Stephen Rothwell
2022-04-19 16:01 ` Sean Christopherson
2022-04-19 16:09 ` Paolo Bonzini
2022-04-21 18:06 ` Paolo Bonzini
2022-04-27 3:23 ` Stephen Rothwell
2022-04-27 6:06 ` Paolo Bonzini
2021-02-08 5:33 Stephen Rothwell
2021-02-08 11:18 ` Yu Zhang
2021-02-05 5:02 Stephen Rothwell
2021-02-05 10:08 ` Paolo Bonzini
2021-02-07 19:48 ` Stephen Rothwell
2021-02-09 4:56 ` Stephen Rothwell
2020-07-17 5:57 Stephen Rothwell
2020-07-29 7:06 ` Stephen Rothwell
2020-05-21 6:28 Stephen Rothwell
2020-06-04 2:54 ` Stephen Rothwell
2019-02-18 3:42 Stephen Rothwell
2019-02-19 15:36 ` Sean Christopherson
2019-02-19 18:17 ` Paolo Bonzini
2018-12-19 4:33 Stephen Rothwell
2017-02-08 3:23 Stephen Rothwell
2016-12-19 1:11 Stephen Rothwell
2015-09-08 1:35 Stephen Rothwell
2015-09-08 2:10 ` Wanpeng Li
2015-09-08 9:24 ` Paolo Bonzini
2015-05-29 7:36 Stephen Rothwell
2015-05-29 7:54 ` Ingo Molnar
2015-05-29 12:08 ` Paolo Bonzini
2014-11-24 6:19 Stephen Rothwell
2014-11-24 9:38 ` Paolo Bonzini
2014-08-06 4:39 Stephen Rothwell
2014-03-11 23:55 Mark Brown
2014-01-10 3:00 Stephen Rothwell
2014-01-17 4:03 ` Stephen Rothwell
2012-08-23 3:21 Stephen Rothwell
2012-03-06 4:53 Stephen Rothwell
2012-03-06 10:34 ` Avi Kivity
2010-08-30 1:35 Stephen Rothwell
2010-08-30 10:03 ` Alexander Graf
2010-08-30 10:56 ` Avi Kivity
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