Commit a8331594 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Ingo Molnar
Browse files

x86/mm: Drop CONFIG_SWIOTLB for PAE 



Since kernels with and without CONFIG_X86_PAE are now limited
to the low 4GB of physical address space, there is no need to
use swiotlb any more, so stop selecting this.

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20250226213714.4040853-7-arnd@kernel.org
parent bbeb69ce

arch/x86/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -1462,7 +1462,6 @@ config X86_PAE 
	bool "PAE (Physical Address Extension) Support"

	depends on X86_32 && X86_HAVE_PAE

	select PHYS_ADDR_T_64BIT

	select SWIOTLB

	help

	  PAE is required for NX support, and furthermore enables

	  larger swapspace support for non-overcommit purposes. It