From: Daniel Mentz <danielmentz@google.com>
To: iommu@lists.linux.dev, linux-kernel@vger.kernel.org
Cc: Will Deacon <will@kernel.org>, Jason Gunthorpe <jgg@ziepe.ca>,
Liviu Dudau <liviu.dudau@arm.com>,
Daniel Mentz <danielmentz@google.com>
Subject: [PATCH] iommu/io-pgtable-arm: Remove unused macro iopte_prot
Date: Tue, 8 Jul 2025 21:17:05 +0000 [thread overview]
Message-ID: <20250708211705.1567787-1-danielmentz@google.com> (raw)
Commit 33729a5fc0ca ("iommu/io-pgtable-arm: Remove split on unmap
behavior") removed the last user of the macro iopte_prot. Remove the
macro definition of iopte_prot as well as three other related
definitions.
Fixes: 33729a5fc0ca ("iommu/io-pgtable-arm: Remove split on unmap behavior")
Signed-off-by: Daniel Mentz <danielmentz@google.com>
---
drivers/iommu/io-pgtable-arm.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index 96425e92f313..7e8e2216c294 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -85,11 +85,6 @@
#define ARM_LPAE_PTE_NS (((arm_lpae_iopte)1) << 5)
#define ARM_LPAE_PTE_VALID (((arm_lpae_iopte)1) << 0)
-#define ARM_LPAE_PTE_ATTR_LO_MASK (((arm_lpae_iopte)0x3ff) << 2)
-/* Ignore the contiguous bit for block splitting */
-#define ARM_LPAE_PTE_ATTR_HI_MASK (ARM_LPAE_PTE_XN | ARM_LPAE_PTE_DBM)
-#define ARM_LPAE_PTE_ATTR_MASK (ARM_LPAE_PTE_ATTR_LO_MASK | \
- ARM_LPAE_PTE_ATTR_HI_MASK)
/* Software bit for solving coherency races */
#define ARM_LPAE_PTE_SW_SYNC (((arm_lpae_iopte)1) << 55)
@@ -155,8 +150,6 @@
#define iopte_type(pte) \
(((pte) >> ARM_LPAE_PTE_TYPE_SHIFT) & ARM_LPAE_PTE_TYPE_MASK)
-#define iopte_prot(pte) ((pte) & ARM_LPAE_PTE_ATTR_MASK)
-
#define iopte_writeable_dirty(pte) \
(((pte) & ARM_LPAE_PTE_AP_WR_CLEAN_MASK) == ARM_LPAE_PTE_DBM)
--
2.50.0.727.gbf7dc18ff4-goog
next reply other threads:[~2025-07-08 21:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-08 21:17 Daniel Mentz [this message]
2025-07-09 0:26 ` Jason Gunthorpe
2025-07-09 10:51 ` Liviu Dudau
2025-07-14 11:54 ` Will Deacon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250708211705.1567787-1-danielmentz@google.com \
--to=danielmentz@google.com \
--cc=iommu@lists.linux.dev \
--cc=jgg@ziepe.ca \
--cc=linux-kernel@vger.kernel.org \
--cc=liviu.dudau@arm.com \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®