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From: Vineet Gupta <vgupta@kernel.org>
To: linux-snps-arc@lists.infradead.org
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Mike Rapoport <rppt@kernel.org>, Vineet Gupta <vgupta@kernel.org>
Subject: [PATCH v2 06/19] ARC: ioremap: use more commonly used PAGE_KERNEL based uncached flag
Date: Thu, 12 Aug 2021 16:37:40 -0700	[thread overview]
Message-ID: <20210812233753.104217-7-vgupta@kernel.org> (raw)
In-Reply-To: <20210812233753.104217-1-vgupta@kernel.org>

and remove the one off uncached definition for ARC

Signed-off-by: Vineet Gupta <vgupta@kernel.org>
---
 arch/arc/include/asm/pgtable.h | 3 ---
 arch/arc/mm/ioremap.c          | 3 ++-
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h
index 80b57c14b430..b054c14f8bf6 100644
--- a/arch/arc/include/asm/pgtable.h
+++ b/arch/arc/include/asm/pgtable.h
@@ -103,9 +103,6 @@
  */
 #define PAGE_KERNEL          __pgprot(_K_PAGE_PERMS | _PAGE_CACHEABLE)
 
-/* ioremap */
-#define PAGE_KERNEL_NO_CACHE __pgprot(_K_PAGE_PERMS)
-
 /* Masks for actual TLB "PD"s */
 #define PTE_BITS_IN_PD0		(_PAGE_GLOBAL | _PAGE_PRESENT | _PAGE_HW_SZ)
 #define PTE_BITS_RWX		(_PAGE_EXECUTE | _PAGE_WRITE | _PAGE_READ)
diff --git a/arch/arc/mm/ioremap.c b/arch/arc/mm/ioremap.c
index 052bbd8b1e5f..0ee75aca6e10 100644
--- a/arch/arc/mm/ioremap.c
+++ b/arch/arc/mm/ioremap.c
@@ -39,7 +39,8 @@ void __iomem *ioremap(phys_addr_t paddr, unsigned long size)
 	if (arc_uncached_addr_space(paddr))
 		return (void __iomem *)(u32)paddr;
 
-	return ioremap_prot(paddr, size, pgprot_val(PAGE_KERNEL_NO_CACHE));
+	return ioremap_prot(paddr, size,
+			    pgprot_val(pgprot_noncached(PAGE_KERNEL)));
 }
 EXPORT_SYMBOL(ioremap);
 
-- 
2.25.1


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WARNING: multiple messages have this Message-ID (diff)
From: Vineet Gupta <vgupta@kernel.org>
To: linux-snps-arc@lists.infradead.org
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Mike Rapoport <rppt@kernel.org>, Vineet Gupta <vgupta@kernel.org>
Subject: [PATCH v2 06/19] ARC: ioremap: use more commonly used PAGE_KERNEL based uncached flag
Date: Thu, 12 Aug 2021 16:37:40 -0700	[thread overview]
Message-ID: <20210812233753.104217-7-vgupta@kernel.org> (raw)
In-Reply-To: <20210812233753.104217-1-vgupta@kernel.org>

and remove the one off uncached definition for ARC

Signed-off-by: Vineet Gupta <vgupta@kernel.org>
---
 arch/arc/include/asm/pgtable.h | 3 ---
 arch/arc/mm/ioremap.c          | 3 ++-
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h
index 80b57c14b430..b054c14f8bf6 100644
--- a/arch/arc/include/asm/pgtable.h
+++ b/arch/arc/include/asm/pgtable.h
@@ -103,9 +103,6 @@
  */
 #define PAGE_KERNEL          __pgprot(_K_PAGE_PERMS | _PAGE_CACHEABLE)
 
-/* ioremap */
-#define PAGE_KERNEL_NO_CACHE __pgprot(_K_PAGE_PERMS)
-
 /* Masks for actual TLB "PD"s */
 #define PTE_BITS_IN_PD0		(_PAGE_GLOBAL | _PAGE_PRESENT | _PAGE_HW_SZ)
 #define PTE_BITS_RWX		(_PAGE_EXECUTE | _PAGE_WRITE | _PAGE_READ)
diff --git a/arch/arc/mm/ioremap.c b/arch/arc/mm/ioremap.c
index 052bbd8b1e5f..0ee75aca6e10 100644
--- a/arch/arc/mm/ioremap.c
+++ b/arch/arc/mm/ioremap.c
@@ -39,7 +39,8 @@ void __iomem *ioremap(phys_addr_t paddr, unsigned long size)
 	if (arc_uncached_addr_space(paddr))
 		return (void __iomem *)(u32)paddr;
 
-	return ioremap_prot(paddr, size, pgprot_val(PAGE_KERNEL_NO_CACHE));
+	return ioremap_prot(paddr, size,
+			    pgprot_val(pgprot_noncached(PAGE_KERNEL)));
 }
 EXPORT_SYMBOL(ioremap);
 
-- 
2.25.1



  parent reply	other threads:[~2021-08-12 23:38 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-12 23:37 [PATCH v2 00/19] ARC mm updates: support 3/4 levels and asm-generic/pgalloc Vineet Gupta
2021-08-12 23:37 ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 01/19] ARC: mm: use SCRATCH_DATA0 register for caching pgdir in ARCv2 only Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-15  9:27   ` Mike Rapoport
2021-08-15  9:27     ` Mike Rapoport
2021-08-16 19:45     ` Vineet Gupta
2021-08-16 19:45       ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 02/19] ARC: mm: remove tlb paranoid code Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 03/19] ARC: mm: move mmu/cache externs out to setup.h Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-15  9:27   ` Mike Rapoport
2021-08-15  9:27     ` Mike Rapoport
2021-08-16 19:47     ` Vineet Gupta
2021-08-16 19:47       ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 04/19] ARC: mm: Fixes to allow STRICT_MM_TYPECHECKS Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 05/19] ARC: mm: Enable STRICT_MM_TYPECHECKS Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-12 23:37 ` Vineet Gupta [this message]
2021-08-12 23:37   ` [PATCH v2 06/19] ARC: ioremap: use more commonly used PAGE_KERNEL based uncached flag Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 07/19] ARC: mm: pmd_populate* to use the canonical set_pmd (and drop pmd_set) Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 08/19] ARC: mm: switch pgtable_t back to struct page * Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-13 10:45   ` kernel test robot
2021-08-13 10:45     ` kernel test robot
2021-08-13 10:45     ` kernel test robot
2021-08-13 14:25     ` Vineet Gupta
2021-08-13 14:25       ` Vineet Gupta
2021-08-13 14:25       ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 09/19] ARC: mm: switch to asm-generic/pgalloc.h Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 10/19] ARC: mm: non-functional code cleanup ahead of 3 levels Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 11/19] ARC: mm: move MMU specific bits out of ASID allocator Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 12/19] ARC: mm: move MMU specific bits out of entry code Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 13/19] ARC: mm: disintegrate mmu.h (arcv2 bits out) Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-13  4:01   ` kernel test robot
2021-08-13  4:01     ` kernel test robot
2021-08-13  4:01     ` kernel test robot
2021-08-13 14:48     ` Vineet Gupta
2021-08-13 14:48       ` Vineet Gupta
2021-08-13 14:48       ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 14/19] ARC: mm: disintegrate pgtable.h into levels and flags Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 15/19] ARC: mm: hack to allow 2 level build with 4 level code Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 16/19] ARC: mm: support 3 levels of page tables Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-15  9:27   ` Mike Rapoport
2021-08-15  9:27     ` Mike Rapoport
2021-08-16 19:53     ` Vineet Gupta
2021-08-16 19:53       ` Vineet Gupta
2021-08-17  5:03       ` Mike Rapoport
2021-08-17  5:03         ` Mike Rapoport
2021-08-12 23:37 ` [PATCH v2 17/19] ARC: mm: support 4 " Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 18/19] ARC: mm: vmalloc sync from kernel to user table to update PMD Vineet Gupta
2021-08-12 23:37   ` Vineet Gupta
2021-08-12 23:37 ` [PATCH v2 19/19] ARC: mm: introduce _PAGE_TABLE to explicitly link pgd, pud, pmd entries Vineet Gupta
2021-08-12 23:37   ` [PATCH v2 19/19] ARC: mm: introduce _PAGE_TABLE to explicitly link pgd,pud,pmd entries Vineet Gupta
2021-08-15  9:26 ` [PATCH v2 00/19] ARC mm updates: support 3/4 levels and asm-generic/pgalloc Mike Rapoport
2021-08-15  9:26   ` Mike Rapoport
2021-08-16 19:58   ` Vineet Gupta
2021-08-16 19:58     ` Vineet Gupta
2021-08-17  5:04     ` Mike Rapoport
2021-08-17  5:04       ` Mike Rapoport

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