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Linux_SDK_V1.5.4

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Signed-off-by: thead_admin <occ_thead@service.alibaba.com>
This commit is contained in:
thead_admin
2024-04-26 03:07:38 +00:00
committed by Han Gao
parent 89d6663712
commit 7563179071
105 changed files with 3730 additions and 1716 deletions
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14
kernel/trace/ftrace.c
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@@ -6854,6 +6854,17 @@ void __init ftrace_free_init_mem(void)
ftrace_free_mem(NULL, start, end);
}
static bool noftrace_init = false;
/* noftrace bootargs: for option not init ftrace*/
static int __init noftrace_setup(char *str)
{
noftrace_init = true;
return 1;
}
__setup("noftrace", noftrace_setup);
void __init ftrace_init(void)
{
extern unsigned long __start_mcount_loc[];
@@ -6861,6 +6872,9 @@ void __init ftrace_init(void)
unsigned long count, flags;
int ret;
if(noftrace_init)
goto failed;
local_irq_save(flags);
ret = ftrace_dyn_arch_init();
local_irq_restore(flags);