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authorWill Deacon <will@kernel.org>2021-07-30 14:24:43 +0300
committerPeter Zijlstra <peterz@infradead.org>2021-08-20 13:33:07 +0300
commit702f43872665e3b1cc6fdb77d238533274fc9d18 (patch)
tree9f5bb4838b43fe8fdd152e3557ab0ebaf58c50da /Documentation/admin-guide
parent94f9c00f6460c0b175226c8fe6fd137547b239bd (diff)
downloadlinux-702f43872665e3b1cc6fdb77d238533274fc9d18.tar.xz
Documentation: arm64: describe asymmetric 32-bit support
Document support for running 32-bit tasks on asymmetric 32-bit systems and its impact on the user ABI when enabled. Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20210730112443.23245-17-will@kernel.org
Diffstat (limited to 'Documentation/admin-guide')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 6ab625dea8c0..b2f5dd4ea805 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -295,6 +295,9 @@
EL0 is indicated by /sys/devices/system/cpu/aarch32_el0
and hot-unplug operations may be restricted.
+ See Documentation/arm64/asymmetric-32bit.rst for more
+ information.
+
amd_iommu= [HW,X86-64]
Pass parameters to the AMD IOMMU driver in the system.
Possible values are: