From: "Mike Rapoport (Microsoft)" rppt@kernel.org
Use nolibc include directory rather than include a cumulative nolibc.h on the compiler command line and replace use of 'sudo cpio' with usr/gen_init_cpio.
While on it fix spelling of KHO_FINALIZE
Suggested-by: Thomas Weißschuh linux@weissschuh.net Signed-off-by: Mike Rapoport (Microsoft) rppt@kernel.org --- tools/testing/selftests/kho/init.c | 13 ++++--------- tools/testing/selftests/kho/vmtest.sh | 28 ++++++++++++++------------- 2 files changed, 19 insertions(+), 22 deletions(-)
diff --git a/tools/testing/selftests/kho/init.c b/tools/testing/selftests/kho/init.c index 8034e24c6bf6..6d9e91d55d68 100644 --- a/tools/testing/selftests/kho/init.c +++ b/tools/testing/selftests/kho/init.c @@ -1,22 +1,17 @@ // SPDX-License-Identifier: GPL-2.0
-#ifndef NOLIBC -#include <errno.h> #include <stdio.h> #include <unistd.h> #include <fcntl.h> -#include <syscall.h> +#include <sys/syscall.h> #include <sys/mount.h> #include <sys/reboot.h> -#endif +#include <linux/kexec.h>
/* from arch/x86/include/asm/setup.h */ #define COMMAND_LINE_SIZE 2048
-/* from include/linux/kexex.h */ -#define KEXEC_FILE_NO_INITRAMFS 0x00000004 - -#define KHO_FINILIZE "/debugfs/kho/out/finalize" +#define KHO_FINALIZE "/debugfs/kho/out/finalize" #define KERNEL_IMAGE "/kernel"
static int mount_filesystems(void) @@ -32,7 +27,7 @@ static int kho_enable(void) const char enable[] = "1"; int fd;
- fd = open(KHO_FINILIZE, O_RDWR); + fd = open(KHO_FINALIZE, O_RDWR); if (fd < 0) return -1;
diff --git a/tools/testing/selftests/kho/vmtest.sh b/tools/testing/selftests/kho/vmtest.sh index ec70a17bd476..3f6c17166846 100755 --- a/tools/testing/selftests/kho/vmtest.sh +++ b/tools/testing/selftests/kho/vmtest.sh @@ -10,7 +10,6 @@ kernel_dir=$(realpath "$test_dir/../../../..")
tmp_dir=$(mktemp -d /tmp/kho-test.XXXXXXXX) headers_dir="$tmp_dir/usr" -initrd_dir="$tmp_dir/initrd" initrd="$tmp_dir/initrd.cpio"
source "$test_dir/../kselftest/ktap_helpers.sh" @@ -81,19 +80,22 @@ EOF function mkinitrd() { local kernel=$1
- mkdir -p "$initrd_dir"/{dev,debugfs,proc} - sudo mknod "$initrd_dir/dev/console" c 5 1 - - "$CROSS_COMPILE"gcc -s -static -Os -nostdinc -I"$headers_dir/include" \ - -fno-asynchronous-unwind-tables -fno-ident -nostdlib \ - -include "$test_dir/../../../include/nolibc/nolibc.h" \ - -o "$initrd_dir/init" "$test_dir/init.c" \ - - cp "$kernel" "$initrd_dir/kernel" + "$CROSS_COMPILE"gcc -s -static -Os -nostdinc -nostdlib \ + -fno-asynchronous-unwind-tables -fno-ident \ + -I "$headers_dir/include" \ + -I "$kernel_dir/tools/include/nolibc" \ + -o "$tmp_dir/init" "$test_dir/init.c" + + cat > "$tmp_dir/cpio_list" <<EOF +dir /dev 0755 0 0 +dir /proc 0755 0 0 +dir /debugfs 0755 0 0 +nod /dev/console 0600 0 0 c 5 1 +file /init $tmp_dir/init 0755 0 0 +file /kernel $kernel 0644 0 0 +EOF
- pushd "$initrd_dir" &>/dev/null - find . | cpio -H newc --create > "$initrd" 2>/dev/null - popd &>/dev/null + "$build_dir/usr/gen_init_cpio" "$tmp_dir/cpio_list" > "$initrd" }
function run_qemu() {