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authorArnd Bergmann <arnd@arndb.de>2025-02-26 22:37:10 +0100
committerIngo Molnar <mingo@kernel.org>2025-02-27 11:21:59 +0100
commita8331594036f22dcf037f1a75358bd0985c84cd9 (patch)
treeaa30bfdede032aeca162e1b34d4f5b46acaaed61
parentx86/mm: Remove CONFIG_HIGHMEM64G support (diff)
downloadwireguard-linux-a8331594036f22dcf037f1a75358bd0985c84cd9.tar.xz
wireguard-linux-a8331594036f22dcf037f1a75358bd0985c84cd9.zip
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@arndb.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/r/20250226213714.4040853-7-arnd@kernel.org
-rw-r--r--arch/x86/Kconfig1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 737a0c630527..0e0ec2c8ef75 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