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kernel: Drop IA64 support from sig_fault handlers

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Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Ard Biesheuvel 2023-01-13 17:57:47 +01:00
parent cf8e865810
commit f5e836884d
3 changed files with 9 additions and 38 deletions
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17
include/linux/sched/signal.h
View file

@ -303,20 +303,11 @@ static inline void kernel_signal_stop(void)
schedule();
}
#ifdef __ia64__
# define ___ARCH_SI_IA64(_a1, _a2, _a3) , _a1, _a2, _a3
#else
# define ___ARCH_SI_IA64(_a1, _a2, _a3)
#endif
int force_sig_fault_to_task(int sig, int code, void __user *addr
___ARCH_SI_IA64(int imm, unsigned int flags, unsigned long isr)
, struct task_struct *t);
int force_sig_fault(int sig, int code, void __user *addr
___ARCH_SI_IA64(int imm, unsigned int flags, unsigned long isr));
int send_sig_fault(int sig, int code, void __user *addr
___ARCH_SI_IA64(int imm, unsigned int flags, unsigned long isr)
, struct task_struct *t);
int force_sig_fault_to_task(int sig, int code, void __user *addr,
struct task_struct *t);
int force_sig_fault(int sig, int code, void __user *addr);
int send_sig_fault(int sig, int code, void __user *addr, struct task_struct *t);
int force_sig_mceerr(int code, void __user *, short);
int send_sig_mceerr(int code, void __user *, short, struct task_struct *);

5
include/uapi/asm-generic/siginfo.h
View file

@ -68,11 +68,6 @@ union __sifields {
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGTRAP, SIGEMT */
struct {
void __user *_addr; /* faulting insn/memory ref. */
#ifdef __ia64__
int _imm; /* immediate value for "break" */
unsigned int _flags; /* see ia64 si_flags */
unsigned long _isr; /* isr */
#endif
#define __ADDR_BND_PKEY_PAD (__alignof__(void *) < sizeof(short) ? \
sizeof(short) : __alignof__(void *))

25
kernel/signal.c
View file

@ -1718,9 +1718,8 @@ void force_sigsegv(int sig)
force_sig(SIGSEGV);
}
int force_sig_fault_to_task(int sig, int code, void __user *addr
___ARCH_SI_IA64(int imm, unsigned int flags, unsigned long isr)
, struct task_struct *t)
int force_sig_fault_to_task(int sig, int code, void __user *addr,
struct task_struct *t)
{
struct kernel_siginfo info;
@ -1729,24 +1728,15 @@ int force_sig_fault_to_task(int sig, int code, void __user *addr
info.si_errno = 0;
info.si_code = code;
info.si_addr = addr;
#ifdef __ia64__
info.si_imm = imm;
info.si_flags = flags;
info.si_isr = isr;
#endif
return force_sig_info_to_task(&info, t, HANDLER_CURRENT);
}
int force_sig_fault(int sig, int code, void __user *addr
___ARCH_SI_IA64(int imm, unsigned int flags, unsigned long isr))
int force_sig_fault(int sig, int code, void __user *addr)
{
return force_sig_fault_to_task(sig, code, addr
___ARCH_SI_IA64(imm, flags, isr), current);
return force_sig_fault_to_task(sig, code, addr, current);
}
int send_sig_fault(int sig, int code, void __user *addr
___ARCH_SI_IA64(int imm, unsigned int flags, unsigned long isr)
, struct task_struct *t)
int send_sig_fault(int sig, int code, void __user *addr, struct task_struct *t)
{
struct kernel_siginfo info;
@ -1755,11 +1745,6 @@ int send_sig_fault(int sig, int code, void __user *addr
info.si_errno = 0;
info.si_code = code;
info.si_addr = addr;
#ifdef __ia64__
info.si_imm = imm;
info.si_flags = flags;
info.si_isr = isr;
#endif
return send_sig_info(info.si_signo, &info, t);
}