The patch titled
Subject: selftests-vm-only-run-128tbswitch-with-5-level-paging-v4
has been added to the -mm mm-unstable branch. Its filename is
selftests-vm-only-run-128tbswitch-with-5-level-paging-v4.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-vm-only-run-128tbswitch-with-5-level-paging-v4.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Adam Sindelar <adam@xxxxxxxxxxxx>
Subject: selftests-vm-only-run-128tbswitch-with-5-level-paging-v4
Date: Tue, 28 Jun 2022 18:36:54 +0200
restrict the check to x86_64
Link: https://lkml.kernel.org/r/20220628163654.337600-1-adam@xxxxxxxxxxxx
Signed-off-by: Adam Sindelar <adam@xxxxxxxxxxxx>
Cc: Adam Sindelar <ats@xxxxxx>
Cc: David Vernet <void@xxxxxxxxxxxxx>
Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/vm/va_128TBswitch.sh | 19 +++++++++++++++--
1 file changed, 17 insertions(+), 2 deletions(-)
--- a/tools/testing/selftests/vm/va_128TBswitch.sh~selftests-vm-only-run-128tbswitch-with-5-level-paging-v4
+++ a/tools/testing/selftests/vm/va_128TBswitch.sh
@@ -19,7 +19,7 @@ die()
exit $exitcode
}
-check_test_requirements()
+check_supported_x86_64()
{
local config="/proc/config.gz"
[[ -f "${config}" ]] || config="/boot/config-$(uname -r)"
@@ -30,10 +30,25 @@ check_test_requirements()
local pg_table_levels=$(gzip -dcfq "${config}" | grep PGTABLE_LEVELS | cut -d'=' -f 2)
if [[ "${pg_table_levels}" -lt 5 ]]; then
- echo "$0: PG_TABLE_LEVELS=${pg_table_levels}, must be >= 5 to run this test"
+ echo "$0: PGTABLE_LEVELS=${pg_table_levels}, must be >= 5 to run this test"
exit $ksft_skip
fi
}
+check_test_requirements()
+{
+ # The test supports x86_64 and powerpc64. We currently have no useful
+ # eligibility check for powerpc64, and the test itself will reject other
+ # architectures.
+ case `uname -m` in
+ "x86_64")
+ check_supported_x86_64
+ ;;
+ *)
+ return 0
+ ;;
+ esac
+}
+
check_test_requirements
./va_128TBswitch
_
Patches currently in -mm which might be from adam@xxxxxxxxxxxx are
selftests-vm-only-run-128tbswitch-with-5-level-paging.patch
selftests-vm-only-run-128tbswitch-with-5-level-paging-v4.patch
