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um: Remove unused user_context function

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It's no longer used since commit 6aa802ce6a ("uml: throw out
CHOOSE_MODE").

Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20241128083137.2219830-10-tiwei.btw@antgroup.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Tiwei Bie 2024-11-28 16:31:37 +08:00 committed by Johannes Berg
parent c5e78b8d40
commit 7ee1e43a5f
2 changed files with 0 additions and 10 deletions
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8
arch/um/kernel/process.c
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@ -213,14 +213,6 @@ int __uml_cant_sleep(void) {
/* Is in_interrupt() really needed? */
}
int user_context(unsigned long sp)
{
unsigned long stack;
stack = sp & (PAGE_MASK << CONFIG_KERNEL_STACK_ORDER);
return stack != (unsigned long) current_thread_info();
}
extern exitcall_t __uml_exitcall_begin, __uml_exitcall_end;
void do_uml_exitcalls(void)

2
arch/x86/um/shared/sysdep/ptrace.h
View File

@ -74,8 +74,6 @@ struct uml_pt_regs {
#define UPT_FAULTINFO(r) (&(r)->faultinfo)
#define UPT_IS_USER(r) ((r)->is_user)
extern int user_context(unsigned long sp);
extern int arch_init_registers(int pid);
#endif /* __SYSDEP_X86_PTRACE_H */