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6184358da0
linux_dsm_epyc7002/arch/riscv/kernel
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Guo Ren 6184358da0
riscv: Fixup static_obj() fail 
When enable LOCKDEP, static_obj() will cause error. Because some
__initdata static variables is before _stext:

static int static_obj(const void *obj)
{
        unsigned long start = (unsigned long) &_stext,
                      end   = (unsigned long) &_end,
                      addr  = (unsigned long) obj;

        /*
         * static variable?
         */
        if ((addr >= start) && (addr < end))
                return 1;

[    0.067192] INFO: trying to register non-static key.
[    0.067325] the code is fine but needs lockdep annotation.
[    0.067449] turning off the locking correctness validator.
[    0.067718] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc7-dirty #44
[    0.067945] Call Trace:
[    0.068369] [<ffffffe00020323c>] walk_stackframe+0x0/0xa4
[    0.068506] [<ffffffe000203422>] show_stack+0x2a/0x34
[    0.068631] [<ffffffe000521e4e>] dump_stack+0x94/0xca
[    0.068757] [<ffffffe000255a4e>] register_lock_class+0x5b8/0x5bc
[    0.068969] [<ffffffe000255abe>] __lock_acquire+0x6c/0x1d5c
[    0.069101] [<ffffffe0002550fe>] lock_acquire+0xae/0x312
[    0.069228] [<ffffffe000989a8e>] _raw_spin_lock_irqsave+0x40/0x5a
[    0.069357] [<ffffffe000247c64>] complete+0x1e/0x50
[    0.069479] [<ffffffe000984c38>] rest_init+0x1b0/0x28a
[    0.069660] [<ffffffe0000016a2>] 0xffffffe0000016a2
[    0.069779] [<ffffffe000001b84>] 0xffffffe000001b84
[    0.069953] [<ffffffe000001092>] 0xffffffe000001092

static __initdata DECLARE_COMPLETION(kthreadd_done);

noinline void __ref rest_init(void)
{
	...
	complete(&kthreadd_done);

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-07-30 11:37:21 -07:00
..
vdso riscv: Fixup __vdso_gettimeofday broke dynamic ftrace 2020-06-25 15:38:39 -07:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
asm-offsets.c riscv: abstract out CSR names for supervisor vs machine mode 2019-11-05 09:20:42 -08:00
cacheinfo.c riscv: cacheinfo: Implement cache_get_priv_group with a generic ops structure 2020-05-20 15:05:05 -07:00
clint.c riscv: provide native clint access for M-mode 2019-11-17 15:17:39 -08:00
cpu_ops_sbi.c RISC-V: Support cpu hotplug 2020-03-31 11:28:30 -07:00
cpu_ops_spinwait.c RISC-V: Add cpu_ops and modify default booting method 2020-03-31 11:25:56 -07:00
cpu_ops.c riscv: force __cpu_up_ variables to put in data section 2020-05-04 15:03:25 -07:00
cpu-hotplug.c RISC-V: Support cpu hotplug 2020-03-31 11:28:30 -07:00
cpu.c RISC-V: Rename and move plic_find_hart_id() to arch directory 2020-06-09 19:11:20 -07:00
cpufeature.c RISC-V: Add bitmap reprensenting ISA features common across CPUs 2020-05-04 14:08:59 -07:00
entry.S RISC-V: Remove do_IRQ() function 2020-06-09 19:11:24 -07:00
fpu.S riscv: abstract out CSR names for supervisor vs machine mode 2019-11-05 09:20:42 -08:00
ftrace.c maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
head.h riscv: add prototypes for assembly language functions from head.S 2019-10-28 00:46:00 -07:00
head.S RISC-V: Skip setting up PMPs on traps 2020-05-18 11:38:08 -07:00
irq.c RISC-V: Remove do_IRQ() function 2020-06-09 19:11:24 -07:00
kgdb.c maccess: rename probe_kernel_address to get_kernel_nofault 2020-06-18 11:14:40 -07:00
Makefile riscv: Add KGDB support 2020-05-18 11:38:10 -07:00
mcount-dyn.S riscv/ftrace: Add DYNAMIC_FTRACE_WITH_REGS support 2018-04-02 19:59:13 -07:00
mcount.S RISC-V: remove the unused return_to_handler export 2018-10-22 17:38:12 -07:00
module-sections.c riscv: add missing header file includes 2019-10-28 00:46:01 -07:00
module.c mm: introduce include/linux/pgtable.h 2020-06-09 09:39:13 -07:00
module.lds RISC-V: Add section of GOT.PLT for kernel module 2018-04-02 20:00:54 -07:00
patch.c maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
perf_callchain.c riscv: abstract out CSR names for supervisor vs machine mode 2019-11-05 09:20:42 -08:00
perf_event.c riscv: perf_event: Make some funciton static 2020-05-11 13:48:19 -07:00
perf_regs.c riscv: Add support for perf registers sampling 2019-09-05 00:48:58 -07:00
process.c RISC-V: gp_in_global needs register keyword 2020-05-21 13:28:26 -07:00
ptrace.c riscv: fix seccomp reject syscall code path 2020-03-05 13:58:15 -08:00
reset.c riscv: cleanup the default power off implementation 2019-11-13 13:22:52 -08:00
riscv_ksyms.c riscv: Add KASAN support 2020-01-22 13:09:58 -08:00
sbi.c riscv: sbi: Fix undefined reference to sbi_shutdown 2020-04-21 16:15:09 -07:00
setup.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
signal.c riscv: add nommu support 2019-11-17 15:17:39 -08:00
smp.c RISC-V: self-contained IPI handling routine 2020-06-09 19:11:19 -07:00
smpboot.c RISC-V: Use a local variable instead of smp_processor_id() 2020-06-29 15:23:28 -07:00
soc.c mm: introduce include/linux/pgtable.h 2020-06-09 09:39:13 -07:00
stacktrace.c kernel: rename show_stack_loglvl() => show_stack() 2020-06-09 09:39:13 -07:00
sys_riscv.c RISC-V: Don't allow write+exec only page mapping request in mmap 2020-06-18 17:28:53 -07:00
syscall_table.c riscv: add missing header file includes 2019-10-28 00:46:01 -07:00
time.c riscv: use vDSO common flow to reduce the latency of the time-related functions 2020-06-10 19:47:16 -07:00
traps_misaligned.c riscv: Unaligned load/store handling for M_MODE 2020-04-03 10:45:33 -07:00
traps.c maccess: rename probe_kernel_address to get_kernel_nofault 2020-06-18 11:14:40 -07:00
vdso.c RISC-V Patches for the 5.8 Merge Window, Part 2 2020-06-11 12:55:20 -07:00
vmlinux.lds.S riscv: Fixup static_obj() fail 2020-07-30 11:37:21 -07:00