select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
select ARCH_HAS_CPU_FINALIZE_INIT
select ARCH_HAS_CURRENT_STACK_POINTER
+ select ARCH_HAS_FAST_MULTIPLIER
select ARCH_HAS_FORTIFY_SOURCE
select ARCH_HAS_KCOV
select ARCH_HAS_NMI_SAFE_THIS_CPU_OPS
select ARCH_SUPPORTS_ACPI
select ARCH_SUPPORTS_ATOMIC_RMW
select ARCH_SUPPORTS_HUGETLBFS
+ select ARCH_SUPPORTS_INT128 if CC_HAS_INT128
select ARCH_SUPPORTS_LTO_CLANG
select ARCH_SUPPORTS_LTO_CLANG_THIN
select ARCH_SUPPORTS_NUMA_BALANCING
select ARCH_USE_CMPXCHG_LOCKREF
select ARCH_USE_QUEUED_RWLOCKS
select ARCH_USE_QUEUED_SPINLOCKS
+ select ARCH_WANT_DEFAULT_BPF_JIT
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT
select ARCH_WANT_LD_ORPHAN_WARN
select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP
select ARCH_WANTS_NO_INSTR
+ select ARCH_WANTS_THP_SWAP if HAVE_ARCH_TRANSPARENT_HUGEPAGE
select BUILDTIME_TABLE_SORT
select COMMON_CLK
select CPU_PM
select HAVE_EBPF_JIT
select HAVE_EFFICIENT_UNALIGNED_ACCESS if !ARCH_STRICT_ALIGN
select HAVE_EXIT_THREAD
- select HAVE_FAST_GUP
+ select HAVE_GUP_FAST
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_FUNCTION_ARG_ACCESS_API
select HAVE_FUNCTION_ERROR_INJECTION
select PCI_QUIRKS
select PERF_USE_VMALLOC
select RTC_LIB
- select SMP
select SPARSE_IRQ
select SYSCTL_ARCH_UNALIGN_ALLOW
select SYSCTL_ARCH_UNALIGN_NO_WARN
config SCHED_SMT
bool "SMT scheduler support"
+ depends on SMP
default y
help
Improves scheduler's performance when there are multiple
source "kernel/livepatch/Kconfig"
+config PARAVIRT
+ bool "Enable paravirtualization code"
+ depends on AS_HAS_LVZ_EXTENSION
+ help
+ This changes the kernel so it can modify itself when it is run
+ under a hypervisor, potentially improving performance significantly
+ over full virtualization. However, when run without a hypervisor
+ the kernel is theoretically slower and slightly larger.
+
endmenu
config ARCH_SELECT_MEMORY_MODEL
CONFIG_TASK_DELAY_ACCT=y
CONFIG_TASK_XACCT=y
CONFIG_TASK_IO_ACCOUNTING=y
+ CONFIG_PSI=y
+ CONFIG_IKCONFIG=y
+ CONFIG_IKCONFIG_PROC=y
+ CONFIG_IKHEADERS=y
CONFIG_LOG_BUF_SHIFT=18
CONFIG_NUMA_BALANCING=y
CONFIG_MEMCG=y
CONFIG_MODVERSIONS=y
CONFIG_BLK_DEV_ZONED=y
CONFIG_BLK_DEV_THROTTLING=y
-CONFIG_BLK_DEV_THROTTLING_LOW=y
CONFIG_BLK_WBT=y
CONFIG_BLK_CGROUP_IOLATENCY=y
CONFIG_BLK_CGROUP_FC_APPID=y
CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
+ CONFIG_INET_AH=m
CONFIG_INET_ESP=m
+ CONFIG_INET_ESP_OFFLOAD=m
+ CONFIG_INET_ESPINTCP=y
+ CONFIG_INET_IPCOMP=m
CONFIG_INET_UDP_DIAG=y
CONFIG_TCP_CONG_ADVANCED=y
CONFIG_TCP_CONG_BBR=m
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_IPV6_ROUTE_INFO=y
+ CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
+ CONFIG_INET6_ESP_OFFLOAD=m
+ CONFIG_INET6_ESPINTCP=y
+ CONFIG_INET6_IPCOMP=m
+ CONFIG_IPV6_MULTIPLE_TABLES=y
CONFIG_IPV6_MROUTE=y
CONFIG_MPTCP=y
CONFIG_NETWORK_PHY_TIMESTAMPING=y
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_CT_NETLINK=m
CONFIG_NF_TABLES=m
+ CONFIG_NF_TABLES_INET=y
+ CONFIG_NFT_CT=m
CONFIG_NFT_CONNLIMIT=m
CONFIG_NFT_LOG=m
CONFIG_NFT_LIMIT=m
CONFIG_NFT_REJECT=m
CONFIG_NFT_COMPAT=m
CONFIG_NFT_HASH=m
+ CONFIG_NFT_FIB_INET=m
CONFIG_NFT_SOCKET=m
CONFIG_NFT_OSF=m
CONFIG_NFT_TPROXY=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NF_TABLES_IPV6=y
+ CONFIG_NFT_FIB_IPV6=m
CONFIG_IP6_NF_IPTABLES=y
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
CONFIG_IP6_NF_TARGET_MASQUERADE=m
CONFIG_IP6_NF_TARGET_NPT=m
CONFIG_NF_TABLES_BRIDGE=m
+ CONFIG_NF_CONNTRACK_BRIDGE=m
CONFIG_BRIDGE_NF_EBTABLES=m
CONFIG_BRIDGE_EBT_BROUTE=m
CONFIG_BRIDGE_EBT_T_FILTER=m
CONFIG_TXGBE=y
# CONFIG_NET_VENDOR_WIZNET is not set
# CONFIG_NET_VENDOR_XILINX is not set
+ CONFIG_MOTORCOMM_PHY=y
CONFIG_PPP=m
CONFIG_PPP_BSDCOMP=m
CONFIG_PPP_DEFLATE=m
CONFIG_NTB_PERF=m
CONFIG_NTB_TRANSPORT=m
CONFIG_PWM=y
+ CONFIG_GENERIC_PHY=y
CONFIG_USB4=y
CONFIG_EXT2_FS=y
CONFIG_EXT2_FS_XATTR=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_CRAMFS=m
CONFIG_SQUASHFS=y
+ CONFIG_SQUASHFS_FILE_DIRECT=y
+ CONFIG_SQUASHFS_CHOICE_DECOMP_BY_MOUNT=y
CONFIG_SQUASHFS_XATTR=y
CONFIG_SQUASHFS_LZ4=y
CONFIG_SQUASHFS_LZO=y
CONFIG_SQUASHFS_XZ=y
+ CONFIG_SQUASHFS_ZSTD=y
CONFIG_MINIX_FS=m
CONFIG_ROMFS_FS=m
CONFIG_PSTORE=m
CONFIG_SCHEDSTATS=y
# CONFIG_DEBUG_PREEMPT is not set
# CONFIG_FTRACE is not set
+ CONFIG_UNWINDER_ORC=y
#ifndef __ASM_SMP_H
#define __ASM_SMP_H
+ #ifdef CONFIG_SMP
+
#include <linux/atomic.h>
#include <linux/bitops.h>
#include <linux/linkage.h>
#include <linux/threads.h>
#include <linux/cpumask.h>
+struct smp_ops {
+ void (*init_ipi)(void);
+ void (*send_ipi_single)(int cpu, unsigned int action);
+ void (*send_ipi_mask)(const struct cpumask *mask, unsigned int action);
+};
+extern struct smp_ops mp_ops;
+
extern int smp_num_siblings;
extern int num_processors;
extern int disabled_cpus;
void loongson_boot_secondary(int cpu, struct task_struct *idle);
void loongson_init_secondary(void);
void loongson_smp_finish(void);
-void loongson_send_ipi_single(int cpu, unsigned int action);
-void loongson_send_ipi_mask(const struct cpumask *mask, unsigned int action);
#ifdef CONFIG_HOTPLUG_CPU
int loongson_cpu_disable(void);
void loongson_cpu_die(unsigned int cpu);
#define cpu_physical_id(cpu) cpu_logical_map(cpu)
-#define SMP_BOOT_CPU 0x1
-#define SMP_RESCHEDULE 0x2
-#define SMP_CALL_FUNCTION 0x4
+#define ACTION_BOOT_CPU 0
+#define ACTION_RESCHEDULE 1
+#define ACTION_CALL_FUNCTION 2
+#define SMP_BOOT_CPU BIT(ACTION_BOOT_CPU)
+#define SMP_RESCHEDULE BIT(ACTION_RESCHEDULE)
+#define SMP_CALL_FUNCTION BIT(ACTION_CALL_FUNCTION)
struct secondary_data {
unsigned long stack;
static inline void arch_send_call_function_single_ipi(int cpu)
{
- loongson_send_ipi_single(cpu, SMP_CALL_FUNCTION);
+ mp_ops.send_ipi_single(cpu, ACTION_CALL_FUNCTION);
}
static inline void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
- loongson_send_ipi_mask(mask, SMP_CALL_FUNCTION);
+ mp_ops.send_ipi_mask(mask, ACTION_CALL_FUNCTION);
}
#ifdef CONFIG_HOTPLUG_CPU
}
#endif
+ #else /* !CONFIG_SMP */
+ #define cpu_logical_map(cpu) 0
+ #endif /* CONFIG_SMP */
+
#endif /* __ASM_SMP_H */
--cfg no_fp_fmt_parse
alloc-cfgs = \
- --cfg no_borrow \
- --cfg no_fmt \
--cfg no_global_oom_handling \
- --cfg no_macros \
--cfg no_rc \
- --cfg no_str \
- --cfg no_string \
- --cfg no_sync \
- --cfg no_thin
+ --cfg no_sync
quiet_cmd_rustdoc = RUSTDOC $(if $(rustdoc_host),H, ) $<
cmd_rustdoc = \
# due to things that are "configured out" vs. entirely non-existing ones.
rustdoc-alloc: private rustc_target_flags = $(alloc-cfgs) \
-Arustdoc::broken_intra_doc_links
-rustdoc-alloc: $(src)/alloc/lib.rs rustdoc-core rustdoc-compiler_builtins FORCE
+rustdoc-alloc: $(RUST_LIB_SRC)/alloc/src/lib.rs rustdoc-core rustdoc-compiler_builtins FORCE
+$(call if_changed,rustdoc)
rustdoc-kernel: private rustc_target_flags = --extern alloc \
# - `cargo` only considers the use case of building the standard library
# to use it in a given package. Thus we need to create a dummy package
# and pick the generated libraries from there.
-# - Since we only keep a subset of upstream `alloc` in-tree, we need
-# to recreate it on the fly by putting our sources on top.
# - The usual ways of modifying the dependency graph in `cargo` do not seem
# to apply for the `-Zbuild-std` steps, thus we have to mislead it
# by modifying the sources in the sysroot.
rm -rf $(objtree)/$(obj)/test; \
mkdir -p $(objtree)/$(obj)/test; \
cp -a $(rustc_sysroot) $(objtree)/$(obj)/test/sysroot; \
- cp -r $(srctree)/$(src)/alloc/* \
- $(objtree)/$(obj)/test/sysroot/lib/rustlib/src/rust/library/alloc/src; \
echo '\#!/bin/sh' > $(objtree)/$(obj)/test/rustc_sysroot; \
echo "$(RUSTC) --sysroot=$(abspath $(objtree)/$(obj)/test/sysroot) \"\$$@\"" \
>> $(objtree)/$(obj)/test/rustc_sysroot; \
$(bindgen_target_cflags) $(bindgen_target_extra)
$(obj)/bindings/bindings_generated.rs: private bindgen_target_flags = \
- $(shell grep -Ev '^#|^$$' $(srctree)/$(src)/bindgen_parameters)
+ $(shell grep -Ev '^#|^$$' $(src)/bindgen_parameters)
$(obj)/bindings/bindings_generated.rs: private bindgen_target_extra = ; \
sed -Ei 's/pub const RUST_CONST_HELPER_([a-zA-Z0-9_]*)/pub const \1/g' $@
$(obj)/bindings/bindings_generated.rs: $(src)/bindings/bindings_helper.h \
$(call if_changed_dep,bindgen)
$(obj)/uapi/uapi_generated.rs: private bindgen_target_flags = \
- $(shell grep -Ev '^#|^$$' $(srctree)/$(src)/bindgen_parameters)
+ $(shell grep -Ev '^#|^$$' $(src)/bindgen_parameters)
$(obj)/uapi/uapi_generated.rs: $(src)/uapi/uapi_helper.h \
$(src)/bindgen_parameters FORCE
$(call if_changed_dep,bindgen)
$(obj)/core.o: private rustc_target_flags = $(core-cfgs)
$(obj)/core.o: $(RUST_LIB_SRC)/core/src/lib.rs FORCE
+$(call if_changed_dep,rustc_library)
- ifneq ($(or $(CONFIG_X86_64),$(CONFIG_LOONGARCH)),)
+ ifdef CONFIG_X86_64
$(obj)/core.o: scripts/target.json
endif
$(obj)/alloc.o: private skip_clippy = 1
$(obj)/alloc.o: private skip_flags = -Dunreachable_pub
$(obj)/alloc.o: private rustc_target_flags = $(alloc-cfgs)
-$(obj)/alloc.o: $(src)/alloc/lib.rs $(obj)/compiler_builtins.o FORCE
+$(obj)/alloc.o: $(RUST_LIB_SRC)/alloc/src/lib.rs $(obj)/compiler_builtins.o FORCE
+$(call if_changed_dep,rustc_library)
$(obj)/build_error.o: $(src)/build_error.rs $(obj)/compiler_builtins.o FORCE
ts.push("arch", "x86_64");
ts.push(
"data-layout",
- "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128",
+ "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128",
);
let mut features = "-3dnow,-3dnowa,-mmx,+soft-float".to_string();
if cfg.has("MITIGATION_RETPOLINE") {
ts.push("llvm-target", "x86_64-linux-gnu");
ts.push("target-pointer-width", "64");
} else if cfg.has("LOONGARCH") {
- ts.push("arch", "loongarch64");
- ts.push("data-layout", "e-m:e-p:64:64-i64:64-i128:128-n64-S128");
- ts.push("features", "-f,-d");
- ts.push("llvm-target", "loongarch64-linux-gnusf");
- ts.push("llvm-abiname", "lp64s");
- ts.push("target-pointer-width", "64");
+ panic!("loongarch uses the builtin rustc loongarch64-unknown-none-softfloat target");
} else {
panic!("Unsupported architecture");
}
projects / linux.git / commitdiff