linux-kernel - [PATCH 1/2] iommu/vt-d: Remove unused PASID

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Date:   Tue, 23 Nov 2021 11:55:06 +0100
From:   Joerg Roedel <joro@...tes.org>
To:     Joerg Roedel <joro@...tes.org>
Cc:     Will Deacon <will@...nel.org>,
        Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
        x86@...nel.org, Lu Baolu <baolu.lu@...ux.intel.com>,
        linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        Joerg Roedel <jroedel@...e.de>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH 1/2] iommu/vt-d: Remove unused PASID_DISABLED

From: Joerg Roedel <jroedel@...e.de>

The macro is unused after commit 00ecd5401349a so it can be removed.

Reported-by: Linus Torvalds <torvalds@...ux-foundation.org>
Fixes: 00ecd5401349a ("iommu/vt-d: Clean up unused PASID updating functions")
Signed-off-by: Joerg Roedel <jroedel@...e.de>
---
 arch/x86/include/asm/fpu/api.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/x86/include/asm/fpu/api.h b/arch/x86/include/asm/fpu/api.h
index 6053674f9132..c2767a6a387e 100644
--- a/arch/x86/include/asm/fpu/api.h
+++ b/arch/x86/include/asm/fpu/api.h
@@ -102,12 +102,6 @@ extern void switch_fpu_return(void);
  */
 extern int cpu_has_xfeatures(u64 xfeatures_mask, const char **feature_name);
 
-/*
- * Tasks that are not using SVA have mm->pasid set to zero to note that they
- * will not have the valid bit set in MSR_IA32_PASID while they are running.
- */
-#define PASID_DISABLED	0
-
 /* Trap handling */
 extern int  fpu__exception_code(struct fpu *fpu, int trap_nr);
 extern void fpu_sync_fpstate(struct fpu *fpu);
-- 
2.33.1