The following commit has been merged into the x86/cpu branch of tip: Commit-ID: a8331594036f22dcf037f1a75358bd0985c84cd9 Gitweb: https://git.kernel.org/tip/a8331594036f22dcf037f1a75358bd0985c84cd9 Author: Arnd Bergmann <arnd@xxxxxxxx> AuthorDate: Wed, 26 Feb 2025 22:37:10 +01:00 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitterDate: Thu, 27 Feb 2025 11:21:59 +01:00 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: Arnd Bergmann <arnd@xxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20250226213714.4040853-7-arnd@xxxxxxxxxx --- arch/x86/Kconfig | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 737a0c6..0e0ec2c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -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
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