f13be0ad53
When run under run_vmtests.sh, test scripts were failing to run with "permission denied" due to the scripts not being executable. It is also annoying not to be able to directly invoke run_vmtests.sh, which is solved by giving also it the execute permission. Link: https://lkml.kernel.org/r/20230713135440.3651409-3-ryan.roberts@arm.com Signed-off-by: Ryan Roberts <ryan.roberts@arm.com> Cc: SeongJae Park <sj@kernel.org> Cc: David Hildenbrand <david@redhat.com> Cc: Florent Revest <revest@chromium.org> Cc: Jérôme Glisse <jglisse@redhat.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Mark Brown <broonie@kernel.org> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
59 lines
1.4 KiB
Bash
Executable File
59 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
#
|
|
# Copyright (C) 2022 Adam Sindelar (Meta) <adam@wowsignal.io>
|
|
#
|
|
# This is a test for mmap behavior with 5-level paging. This script wraps the
|
|
# real test to check that the kernel is configured to support at least 5
|
|
# pagetable levels.
|
|
|
|
# 1 means the test failed
|
|
exitcode=1
|
|
|
|
# Kselftest framework requirement - SKIP code is 4.
|
|
ksft_skip=4
|
|
|
|
fail()
|
|
{
|
|
echo "$1"
|
|
exit $exitcode
|
|
}
|
|
|
|
check_supported_x86_64()
|
|
{
|
|
local config="/proc/config.gz"
|
|
[[ -f "${config}" ]] || config="/boot/config-$(uname -r)"
|
|
[[ -f "${config}" ]] || fail "Cannot find kernel config in /proc or /boot"
|
|
|
|
# gzip -dcfq automatically handles both compressed and plaintext input.
|
|
# See man 1 gzip under '-f'.
|
|
local pg_table_levels=$(gzip -dcfq "${config}" | grep PGTABLE_LEVELS | cut -d'=' -f 2)
|
|
|
|
if [[ "${pg_table_levels}" -lt 5 ]]; then
|
|
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_high_addr_switch
|
|
|
|
# In order to run hugetlb testcases, "--run-hugetlb" must be appended
|
|
# to the binary.
|
|
./va_high_addr_switch --run-hugetlb
|