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| author | Maxime Ripard <mripard@kernel.org> | 2026-02-23 12:09:45 +0300 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2026-02-23 12:09:45 +0300 |
| commit | c17ee635fd3a482b2ad2bf5e269755c2eae5f25e (patch) | |
| tree | e3f147462d8a9fd0cf2312c8cd3c5a94da15c3e4 /scripts/livepatch | |
| parent | 803ec1faf7c1823e6e3b1f2aaa81be18528c9436 (diff) | |
| parent | 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f (diff) | |
| download | linux-c17ee635fd3a482b2ad2bf5e269755c2eae5f25e.tar.xz | |
Merge drm/drm-fixes into drm-misc-fixes
7.0-rc1 was just released, let's merge it to kick the new release cycle.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'scripts/livepatch')
| -rw-r--r-- | scripts/livepatch/init.c | 22 | ||||
| -rwxr-xr-x | scripts/livepatch/klp-build | 12 |
2 files changed, 18 insertions, 16 deletions
diff --git a/scripts/livepatch/init.c b/scripts/livepatch/init.c index 2274d8f5a482..f14d8c8fb35f 100644 --- a/scripts/livepatch/init.c +++ b/scripts/livepatch/init.c @@ -9,26 +9,26 @@ #include <linux/slab.h> #include <linux/livepatch.h> -extern struct klp_object_ext __start_klp_objects[]; -extern struct klp_object_ext __stop_klp_objects[]; - static struct klp_patch *patch; static int __init livepatch_mod_init(void) { + struct klp_object_ext *obj_exts; + size_t obj_exts_sec_size; struct klp_object *objs; unsigned int nr_objs; int ret; - nr_objs = __stop_klp_objects - __start_klp_objects; - + obj_exts = klp_find_section_by_name(THIS_MODULE, ".init.klp_objects", + &obj_exts_sec_size); + nr_objs = obj_exts_sec_size / sizeof(*obj_exts); if (!nr_objs) { pr_err("nothing to patch!\n"); ret = -EINVAL; goto err; } - patch = kzalloc(sizeof(*patch), GFP_KERNEL); + patch = kzalloc_obj(*patch); if (!patch) { ret = -ENOMEM; goto err; @@ -41,7 +41,7 @@ static int __init livepatch_mod_init(void) } for (int i = 0; i < nr_objs; i++) { - struct klp_object_ext *obj_ext = __start_klp_objects + i; + struct klp_object_ext *obj_ext = obj_exts + i; struct klp_func_ext *funcs_ext = obj_ext->funcs; unsigned int nr_funcs = obj_ext->nr_funcs; struct klp_func *funcs = objs[i].funcs; @@ -90,12 +90,10 @@ err: static void __exit livepatch_mod_exit(void) { - unsigned int nr_objs; - - nr_objs = __stop_klp_objects - __start_klp_objects; + struct klp_object *obj; - for (int i = 0; i < nr_objs; i++) - kfree(patch->objs[i].funcs); + klp_for_each_object_static(patch, obj) + kfree(obj->funcs); kfree(patch->objs); kfree(patch); diff --git a/scripts/livepatch/klp-build b/scripts/livepatch/klp-build index 882272120c9e..809e198a561d 100755 --- a/scripts/livepatch/klp-build +++ b/scripts/livepatch/klp-build @@ -249,6 +249,10 @@ validate_config() { [[ -v CONFIG_GCC_PLUGIN_RANDSTRUCT ]] && \ die "kernel option 'CONFIG_GCC_PLUGIN_RANDSTRUCT' not supported" + [[ -v CONFIG_AS_IS_LLVM ]] && \ + [[ "$CONFIG_AS_VERSION" -lt 200000 ]] && \ + die "Clang assembler version < 20 not supported" + return 0 } @@ -555,13 +559,11 @@ copy_orig_objects() { local file_dir="$(dirname "$file")" local orig_file="$ORIG_DIR/$rel_file" local orig_dir="$(dirname "$orig_file")" - local cmd_file="$file_dir/.$(basename "$file").cmd" [[ ! -f "$file" ]] && die "missing $(basename "$file") for $_file" mkdir -p "$orig_dir" cp -f "$file" "$orig_dir" - [[ -e "$cmd_file" ]] && cp -f "$cmd_file" "$orig_dir" done xtrace_restore @@ -740,15 +742,17 @@ build_patch_module() { local orig_dir="$(dirname "$orig_file")" local kmod_file="$KMOD_DIR/$rel_file" local kmod_dir="$(dirname "$kmod_file")" - local cmd_file="$orig_dir/.$(basename "$file").cmd" + local cmd_file="$kmod_dir/.$(basename "$file").cmd" mkdir -p "$kmod_dir" cp -f "$file" "$kmod_dir" - [[ -e "$cmd_file" ]] && cp -f "$cmd_file" "$kmod_dir" # Tell kbuild this is a prebuilt object cp -f "$file" "${kmod_file}_shipped" + # Make modpost happy + touch "$cmd_file" + echo -n " $rel_file" >> "$makefile" done |
