From: Arnd Bergmann Date: Wed, 26 Feb 2025 21:37:10 +0000 (+0100) Subject: x86/mm: Drop CONFIG_SWIOTLB for PAE X-Git-Tag: v6.15-rc1~216^2~86^2~8^2~30 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a8331594036f22dcf037f1a75358bd0985c84cd9;p=thirdparty%2Fkernel%2Flinux.git 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 Signed-off-by: Ingo Molnar Cc: Linus Torvalds Link: https://lore.kernel.org/r/20250226213714.4040853-7-arnd@kernel.org --- diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 737a0c6305271..0e0ec2c8ef753 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