linux-kernel - [PATCH 05/13] mm: Rename GUP_GET_PTE_LOW

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20221022114424.776404066@infradead.org>
Date:   Sat, 22 Oct 2022 13:14:08 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     x86@...nel.org, willy@...radead.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        linux-mm@...ck.org, aarcange@...hat.com,
        kirill.shutemov@...ux.intel.com, jroedel@...e.de, ubizjak@...il.com
Subject: [PATCH 05/13] mm: Rename GUP_GET_PTE_LOW_HIGH

Since it no longer applies to only PTEs, rename it to PXX.

Suggested-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
---
 arch/mips/Kconfig       |    2 +-
 arch/sh/Kconfig         |    2 +-
 arch/x86/Kconfig        |    2 +-
 include/linux/pgtable.h |    4 ++--
 mm/Kconfig              |    2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -46,7 +46,7 @@ config MIPS
 	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
 	select GENERIC_SMP_IDLE_THREAD
 	select GENERIC_TIME_VSYSCALL
-	select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
+	select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
 	select HAVE_ARCH_COMPILER_H
 	select HAVE_ARCH_JUMP_LABEL
 	select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -24,7 +24,7 @@ config SUPERH
 	select GENERIC_PCI_IOMAP if PCI
 	select GENERIC_SCHED_CLOCK
 	select GENERIC_SMP_IDLE_THREAD
-	select GUP_GET_PTE_LOW_HIGH if X2TLB
+	select GUP_GET_PXX_LOW_HIGH if X2TLB
 	select HAVE_ARCH_AUDITSYSCALL
 	select HAVE_ARCH_KGDB
 	select HAVE_ARCH_SECCOMP_FILTER
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -157,7 +157,7 @@ config X86
 	select GENERIC_TIME_VSYSCALL
 	select GENERIC_GETTIMEOFDAY
 	select GENERIC_VDSO_TIME_NS
-	select GUP_GET_PTE_LOW_HIGH		if X86_PAE
+	select GUP_GET_PXX_LOW_HIGH		if X86_PAE
 	select HARDIRQS_SW_RESEND
 	select HARDLOCKUP_CHECK_TIMESTAMP	if X86_64
 	select HAVE_ACPI_APEI			if ACPI
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -305,7 +305,7 @@ static inline pmd_t pmdp_get(pmd_t *pmdp
 }
 #endif
 
-#ifdef CONFIG_GUP_GET_PTE_LOW_HIGH
+#ifdef CONFIG_GUP_GET_PXX_LOW_HIGH
 /*
  * For walking the pagetables without holding any locks.  Some architectures
  * (eg x86-32 PAE) cannot load the entries atomically without using expensive
@@ -365,7 +365,7 @@ static inline pmd_t pmdp_get_lockless(pm
 }
 #define pmdp_get_lockless pmdp_get_lockless
 #endif /* CONFIG_PGTABLE_LEVELS > 2 */
-#endif /* CONFIG_GUP_GET_PTE_LOW_HIGH */
+#endif /* CONFIG_GUP_GET_PXX_LOW_HIGH */
 
 /*
  * We require that the PTE can be read atomically.
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -1044,7 +1044,7 @@ config GUP_TEST
 comment "GUP_TEST needs to have DEBUG_FS enabled"
 	depends on !GUP_TEST && !DEBUG_FS
 
-config GUP_GET_PTE_LOW_HIGH
+config GUP_GET_PXX_LOW_HIGH
 	bool
 
 config ARCH_HAS_PTE_SPECIAL