Commit 6ca297d4 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Dave Hansen
Browse files

mm: Rename GUP_GET_PTE_LOW_HIGH 



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

Suggested-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20221022114424.776404066%40infradead.org
parent 024d232a

arch/mips/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -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

arch/sh/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -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

arch/x86/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -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

include/linux/pgtable.h

+2 −2
Original line number Diff line number Diff line
@@ -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(pmd_t *pmdp) 
}

#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.

mm/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -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