From: "Yury Norov (NVIDIA)" <yury.norov@gmail.com>
To: David Woodhouse <dwmw2@infradead.org>,
Lu Baolu <baolu.lu@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
iommu@lists.linux.dev, linux-kernel@vger.kernel.org
Cc: "Yury Norov (NVIDIA)" <yury.norov@gmail.com>
Subject: [PATCH] iommu/vt-d: drop unused cap_super_offset()
Date: Fri, 12 Sep 2025 21:50:23 -0400 [thread overview]
Message-ID: <20250913015024.81186-1-yury.norov@gmail.com> (raw)
The macro is unused. Drop the dead code.
Signed-off-by: Yury Norov (NVIDIA) <yury.norov@gmail.com>
---
drivers/iommu/intel/iommu.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h
index d09b92871659..7da1cf88ce80 100644
--- a/drivers/iommu/intel/iommu.h
+++ b/drivers/iommu/intel/iommu.h
@@ -173,8 +173,6 @@
#define cap_pgsel_inv(c) (((c) >> 39) & 1)
#define cap_super_page_val(c) (((c) >> 34) & 0xf)
-#define cap_super_offset(c) (((find_first_bit(&cap_super_page_val(c), 4)) \
- * OFFSET_STRIDE) + 21)
#define cap_fault_reg_offset(c) ((((c) >> 24) & 0x3ff) * 16)
#define cap_max_fault_reg_offset(c) \
--
2.43.0
next reply other threads:[~2025-09-13 1:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-13 1:50 Yury Norov (NVIDIA) [this message]
2025-09-16 4:55 ` [PATCH] iommu/vt-d: drop unused cap_super_offset() Baolu Lu
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