From: Dave Hansen <dave.hansen@linux.intel.com>
Date: Mon, 14 Apr 2025 17:32:44 +0000 (-0700)
Subject: x86/mm: Remove now unused SHARED_KERNEL_PMD
X-Git-Tag: v6.16-rc1~195^2~26^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=eaa607deb29e0b6fd24b9adf230fbc765f342521;p=thirdparty%2Fkernel%2Flinux.git

x86/mm: Remove now unused SHARED_KERNEL_PMD

All the users of SHARED_KERNEL_PMD are gone. Zap it.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20250414173244.1125BEC3%40davehans-spike.ostc.intel.com
---

diff --git a/arch/x86/include/asm/pgtable-2level_types.h b/arch/x86/include/asm/pgtable-2level_types.h
index 66425424ce91a..54690bd4ddbe0 100644
--- a/arch/x86/include/asm/pgtable-2level_types.h
+++ b/arch/x86/include/asm/pgtable-2level_types.h
@@ -18,8 +18,6 @@ typedef union {
 } pte_t;
 #endif	/* !__ASSEMBLER__ */
 
-#define SHARED_KERNEL_PMD	0
-
 #define ARCH_PAGE_TABLE_SYNC_MASK	PGTBL_PMD_MODIFIED
 
 /*
diff --git a/arch/x86/include/asm/pgtable-3level_types.h b/arch/x86/include/asm/pgtable-3level_types.h
index 9759fa0eb6a33..580b09bf6a450 100644
--- a/arch/x86/include/asm/pgtable-3level_types.h
+++ b/arch/x86/include/asm/pgtable-3level_types.h
@@ -27,8 +27,6 @@ typedef union {
 } pmd_t;
 #endif	/* !__ASSEMBLER__ */
 
-#define SHARED_KERNEL_PMD	(!static_cpu_has(X86_FEATURE_PTI))
-
 #define ARCH_PAGE_TABLE_SYNC_MASK	PGTBL_PMD_MODIFIED
 
 /*
diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
index 5bb782d856f2c..e83721db18c92 100644
--- a/arch/x86/include/asm/pgtable_64_types.h
+++ b/arch/x86/include/asm/pgtable_64_types.h
@@ -46,8 +46,6 @@ extern unsigned int ptrs_per_p4d;
 
 #endif	/* !__ASSEMBLER__ */
 
-#define SHARED_KERNEL_PMD	0
-
 #ifdef CONFIG_X86_5LEVEL
 
 /*