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-rw-r--r--init/Kconfig29
-rw-r--r--init/do_mounts_initrd.c4
-rw-r--r--init/main.c19
3 files changed, 32 insertions, 20 deletions
diff --git a/init/Kconfig b/init/Kconfig
index a20e6efd3f0f..5ab47c346ef9 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -129,6 +129,14 @@ config CC_HAS_COUNTED_BY
# https://github.com/llvm/llvm-project/pull/112636
depends on !(CC_IS_CLANG && CLANG_VERSION < 190103)
+config LD_CAN_USE_KEEP_IN_OVERLAY
+ # ld.lld prior to 21.0.0 did not support KEEP within an overlay description
+ # https://github.com/llvm/llvm-project/pull/130661
+ def_bool LD_IS_BFD || LLD_VERSION >= 210000
+
+config RUSTC_HAS_COERCE_POINTEE
+ def_bool RUSTC_VERSION >= 108400
+
config PAHOLE_VERSION
int
default $(shell,$(srctree)/scripts/pahole-version.sh $(PAHOLE))
@@ -1136,6 +1144,16 @@ config CGROUP_RDMA
Attaching processes with active RDMA resources to the cgroup
hierarchy is allowed even if can cross the hierarchy's limit.
+config CGROUP_DMEM
+ bool "Device memory controller (DMEM)"
+ select PAGE_COUNTER
+ help
+ The DMEM controller allows compatible devices to restrict device
+ memory usage based on the cgroup hierarchy.
+
+ As an example, it allows you to restrict VRAM usage for applications
+ in the DRM subsystem.
+
config CGROUP_FREEZER
bool "Freezer controller"
help
@@ -1956,10 +1974,11 @@ config RUST
bool "Rust support"
depends on HAVE_RUST
depends on RUST_IS_AVAILABLE
- depends on !MODVERSIONS
+ select EXTENDED_MODVERSIONS if MODVERSIONS
+ depends on !MODVERSIONS || GENDWARFKSYMS
depends on !GCC_PLUGIN_RANDSTRUCT
depends on !RANDSTRUCT
- depends on !DEBUG_INFO_BTF || PAHOLE_HAS_LANG_EXCLUDE
+ depends on !DEBUG_INFO_BTF || (PAHOLE_HAS_LANG_EXCLUDE && !LTO)
depends on !CFI_CLANG || HAVE_CFI_ICALL_NORMALIZE_INTEGERS_RUSTC
select CFI_ICALL_NORMALIZE_INTEGERS if CFI_CLANG
depends on !CALL_PADDING || RUSTC_VERSION >= 108100
@@ -1989,8 +2008,10 @@ config BINDGEN_VERSION_TEXT
string
depends on RUST
# The dummy parameter `workaround-for-0.69.0` is required to support 0.69.0
- # (https://github.com/rust-lang/rust-bindgen/pull/2678). It can be removed when
- # the minimum version is upgraded past that (0.69.1 already fixed the issue).
+ # (https://github.com/rust-lang/rust-bindgen/pull/2678) and 0.71.0
+ # (https://github.com/rust-lang/rust-bindgen/pull/3040). It can be removed
+ # when the minimum version is upgraded past the latter (0.69.1 and 0.71.1
+ # both fixed the issue).
default "$(shell,$(BINDGEN) --version workaround-for-0.69.0 2>/dev/null)"
#
diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index 22c7f41ff642..f6867bad0d78 100644
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -21,7 +21,7 @@ phys_addr_t phys_initrd_start __initdata;
unsigned long phys_initrd_size __initdata;
#ifdef CONFIG_SYSCTL
-static struct ctl_table kern_do_mounts_initrd_table[] = {
+static const struct ctl_table kern_do_mounts_initrd_table[] = {
{
.procname = "real-root-dev",
.data = &real_root_dev,
@@ -89,7 +89,7 @@ static void __init handle_initrd(char *root_device_name)
extern char *envp_init[];
int error;
- pr_warn("using deprecated initrd support, will be removed in 2021.\n");
+ pr_warn("using deprecated initrd support, will be removed soon.\n");
real_root_dev = new_encode_dev(ROOT_DEV);
create_dev("/dev/root.old", Root_RAM0);
diff --git a/init/main.c b/init/main.c
index 00fac1170294..2a1757826397 100644
--- a/init/main.c
+++ b/init/main.c
@@ -640,15 +640,11 @@ static void __init setup_command_line(char *command_line)
len = xlen + strlen(boot_command_line) + ilen + 1;
- saved_command_line = memblock_alloc(len, SMP_CACHE_BYTES);
- if (!saved_command_line)
- panic("%s: Failed to allocate %zu bytes\n", __func__, len);
+ saved_command_line = memblock_alloc_or_panic(len, SMP_CACHE_BYTES);
len = xlen + strlen(command_line) + 1;
- static_command_line = memblock_alloc(len, SMP_CACHE_BYTES);
- if (!static_command_line)
- panic("%s: Failed to allocate %zu bytes\n", __func__, len);
+ static_command_line = memblock_alloc_or_panic(len, SMP_CACHE_BYTES);
if (xlen) {
/*
@@ -992,6 +988,7 @@ void start_kernel(void)
workqueue_init_early();
rcu_init();
+ kvfree_rcu_init();
/* Trace events are available after this */
trace_init();
@@ -1145,16 +1142,10 @@ static int __init initcall_blacklist(char *str)
str_entry = strsep(&str, ",");
if (str_entry) {
pr_debug("blacklisting initcall %s\n", str_entry);
- entry = memblock_alloc(sizeof(*entry),
+ entry = memblock_alloc_or_panic(sizeof(*entry),
SMP_CACHE_BYTES);
- if (!entry)
- panic("%s: Failed to allocate %zu bytes\n",
- __func__, sizeof(*entry));
- entry->buf = memblock_alloc(strlen(str_entry) + 1,
+ entry->buf = memblock_alloc_or_panic(strlen(str_entry) + 1,
SMP_CACHE_BYTES);
- if (!entry->buf)
- panic("%s: Failed to allocate %zu bytes\n",
- __func__, strlen(str_entry) + 1);
strcpy(entry->buf, str_entry);
list_add(&entry->next, &blacklisted_initcalls);
}