From: "Joerg Roedel" <joerg.roedel@amd.com>
To: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com
Cc: linux-kernel@vger.kernel.org, "Joerg Roedel" <joerg.roedel@amd.com>
Subject: [PATCH 1/3] x86_64: define all _PAGE_* in terms of _PAGE_BIT_*
Date: Sun, 2 Dec 2007 14:21:19 +0100 [thread overview]
Message-ID: <11966016814058-git-send-email-joerg.roedel@amd.com> (raw)
In-Reply-To: <11966016811565-git-send-email-joerg.roedel@amd.com>
This patch defines the _PAGE_* paging attributes in pgtable_64.h in terms of
the former defined _PAGE_BIT_* values.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
include/asm-x86/pgtable_64.h | 27 +++++++++++++++------------
1 files changed, 15 insertions(+), 12 deletions(-)
diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h
index 9b0ff47..9d4f11d 100644
--- a/include/asm-x86/pgtable_64.h
+++ b/include/asm-x86/pgtable_64.h
@@ -150,19 +150,23 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long
#define _PAGE_BIT_ACCESSED 5
#define _PAGE_BIT_DIRTY 6
#define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */
+#define _PAGE_BIT_FILE 6
#define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */
#define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */
-#define _PAGE_PRESENT 0x001
-#define _PAGE_RW 0x002
-#define _PAGE_USER 0x004
-#define _PAGE_PWT 0x008
-#define _PAGE_PCD 0x010
-#define _PAGE_ACCESSED 0x020
-#define _PAGE_DIRTY 0x040
-#define _PAGE_PSE 0x080 /* 2MB page */
-#define _PAGE_FILE 0x040 /* nonlinear file mapping, saved PTE; unset:swap */
-#define _PAGE_GLOBAL 0x100 /* Global TLB entry */
+#define _PAGE_PRESENT (_AC(1,UL)<<_PAGE_BIT_PRESENT)
+#define _PAGE_RW (_AC(1,UL)<<_PAGE_BIT_RW)
+#define _PAGE_USER (_AC(1,UL)<<_PAGE_BIT_USER)
+#define _PAGE_PWT (_AC(1,UL)<<_PAGE_BIT_PWT)
+#define _PAGE_PCD (_AC(1,UL)<<_PAGE_BIT_PCD)
+#define _PAGE_ACCESSED (_AC(1,UL)<<_PAGE_BIT_ACCESSED)
+#define _PAGE_DIRTY (_AC(1,UL)<<_PAGE_BIT_DIRTY)
+/* 2MB page */
+#define _PAGE_PSE (_AC(1,UL)<<_PAGE_BIT_PSE)
+/* nonlinear file mapping, saved PTE; unset:swap */
+#define _PAGE_FILE (_AC(1,UL)<<_PAGE_BIT_FILE)
+/* Global TLB entry */
+#define _PAGE_GLOBAL (_AC(1,UL)<<_PAGE_BIT_GLOBAL)
#define _PAGE_PROTNONE 0x080 /* If not present */
#define _PAGE_NX (_AC(1,UL)<<_PAGE_BIT_NX)
@@ -248,8 +252,7 @@ static inline unsigned long pmd_bad(pmd_t pmd)
#define pte_present(x) (pte_val(x) & (_PAGE_PRESENT | _PAGE_PROTNONE))
#define pte_clear(mm,addr,xp) do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
-#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) /* FIXME: is this
- right? */
+#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) /* FIXME: is this right? */
#define pte_page(x) pfn_to_page(pte_pfn(x))
#define pte_pfn(x) ((pte_val(x) & __PHYSICAL_MASK) >> PAGE_SHIFT)
--
1.5.2.5
next prev parent reply other threads:[~2007-12-02 13:22 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-02 13:21 [PATCH 0/3] x86_64: some minor paging cleanups Joerg Roedel
2007-12-02 13:21 ` Joerg Roedel [this message]
2007-12-04 12:36 ` [PATCH 1/3] x86_64: define all _PAGE_* in terms of _PAGE_BIT_* Ingo Molnar
2007-12-04 12:38 ` Ingo Molnar
2007-12-04 15:06 ` Joerg Roedel
2007-12-04 21:07 ` Ingo Molnar
2007-12-05 10:52 ` Joerg Roedel
2007-12-05 11:27 ` Ingo Molnar
2007-12-05 11:42 ` Joerg Roedel
2007-12-05 12:30 ` Ingo Molnar
2007-12-05 14:40 ` [PATCH] x86_64: some whitespace cleanups in paging code Joerg Roedel
2007-12-05 14:51 ` Ingo Molnar
2007-12-05 16:37 ` Heiko Carstens
2007-12-05 17:24 ` Joerg Roedel
2007-12-02 13:21 ` [PATCH 2/3] x86_64: use __PAGE_KERNEL* instead of _KERNPG_TABLE for 2MB PTEs in memory initialization Joerg Roedel
2007-12-02 13:21 ` [PATCH 3/3] x86_64: use __PAGE_KERNEL_EXEC in ioremap_64.c Joerg Roedel
-- strict thread matches above, loose matches on Subject: below --
2007-12-04 15:23 [PATCH 0/3] x86_64: some minor paging cleanups Joerg Roedel
2007-12-04 15:23 ` [PATCH 1/3] x86_64: define all _PAGE_* in terms of _PAGE_BIT_* Joerg Roedel
2007-12-04 18:20 ` Dave Hansen
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