[PATCH v3 06/10] x86: drop SWIOTLB for PAE

Arnd Bergmann
2025-02-26T21:37:50Z

From: Arnd Bergmann <arnd@arndb.de>

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>
---
arch/x86/Kconfig | 1 -
1 file changed, 1 deletion(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d785cb368125..2810482dc183 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1461,7 +1461,6 @@ 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
--
2.39.5