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From: Alistair Popple <apopple@nvidia.com>
To: akpm@linux-foundation.org
Cc: ajd@linux.ibm.com, catalin.marinas@arm.com,
	fbarrat@linux.ibm.com, iommu@lists.linux.dev, jgg@ziepe.ca,
	jhubbard@nvidia.com, kevin.tian@intel.com, kvm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au,
	nicolinc@nvidia.com, npiggin@gmail.com, robin.murphy@arm.com,
	seanjc@google.com, will@kernel.org, x86@kernel.org,
	zhi.wang.linux@gmail.com, sj@kernel.org,
	Alistair Popple <apopple@nvidia.com>
Subject: [PATCH v3 2/5] mmu_notifiers: Fixup comment in mmu_interval_read_begin()
Date: Thu, 20 Jul 2023 18:39:24 +1000	[thread overview]
Message-ID: <06fa82756e4d6458895962a7743cc7f162658a54.1689842332.git-series.apopple@nvidia.com> (raw)
In-Reply-To: <cover.b24362332ec6099bc8db4e8e06a67545c653291d.1689842332.git-series.apopple@nvidia.com>

The comment in mmu_interval_read_begin() refers to a function that
doesn't exist and uses the wrong call-back name. The op for mmu
interval notifiers is mmu_interval_notifier_ops->invalidate() so fix
the comment up to reflect that.

Signed-off-by: Alistair Popple <apopple@nvidia.com>
---
 mm/mmu_notifier.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index 50c0dde..b7ad155 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -199,7 +199,7 @@ mmu_interval_read_begin(struct mmu_interval_notifier *interval_sub)
 	 * invalidate_start/end and is colliding.
 	 *
 	 * The locking looks broadly like this:
-	 *   mn_tree_invalidate_start():          mmu_interval_read_begin():
+	 *   mn_itree_inv_start():                 mmu_interval_read_begin():
 	 *                                         spin_lock
 	 *                                          seq = READ_ONCE(interval_sub->invalidate_seq);
 	 *                                          seq == subs->invalidate_seq
@@ -207,7 +207,7 @@ mmu_interval_read_begin(struct mmu_interval_notifier *interval_sub)
 	 *    spin_lock
 	 *     seq = ++subscriptions->invalidate_seq
 	 *    spin_unlock
-	 *     op->invalidate_range():
+	 *     op->invalidate():
 	 *       user_lock
 	 *        mmu_interval_set_seq()
 	 *         interval_sub->invalidate_seq = seq
-- 
git-series 0.9.1


  parent reply	other threads:[~2023-07-20  8:39 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-20  8:39 [PATCH v3 0/5] Invalidate secondary IOMMU TLB on permission upgrade Alistair Popple
2023-07-20  8:39 ` [PATCH v3 1/5] arm64/smmu: Use TLBI ASID when invalidating entire range Alistair Popple
2023-07-21 19:25   ` Jason Gunthorpe
2023-07-20  8:39 ` Alistair Popple [this message]
2023-07-21 19:26   ` [PATCH v3 2/5] mmu_notifiers: Fixup comment in mmu_interval_read_begin() Jason Gunthorpe
2023-07-20  8:39 ` [PATCH v3 3/5] mmu_notifiers: Call invalidate_range() when invalidating TLBs Alistair Popple
2023-07-21 18:25   ` Catalin Marinas
2023-07-21 19:27   ` Jason Gunthorpe
2023-07-20  8:39 ` [PATCH v3 4/5] mmu_notifiers: Don't invalidate secondary TLBs as part of mmu_notifier_invalidate_range_end() Alistair Popple
2023-07-21 19:29   ` Jason Gunthorpe
2023-07-20  8:39 ` [PATCH v3 5/5] mmu_notifiers: Rename invalidate_range notifier Alistair Popple
2023-07-21 18:25   ` Catalin Marinas
2023-07-21 19:31   ` Jason Gunthorpe

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