[SPARC64]: Kill ancient and unused SYSCALL_TRACING debugging code. (af166d15) · Commits · e / devices / android_kernel_fairphone_FP4

arch/sparc64/kernel/entry.S

+0 −18

Original line number	Diff line number	Diff line
		@@ -22,8 +22,6 @@
		#include <asm/estate.h>
		#include <asm/auxio.h>

		/* #define SYSCALL_TRACING 1 */

		#define curptr g6

		#define NR_SYSCALLS 284 /* Each OS is different... */
		@@ -1671,11 +1669,6 @@ linux_sparc_syscall32:
		bgeu,pn %xcc, linux_sparc_ni_syscall ! CTI
		srl %i0, 0, %o0 ! IEU0
		sll %g1, 2, %l4 ! IEU0 Group
		#ifdef SYSCALL_TRACING
		call syscall_trace_entry
		add %sp, PTREGS_OFF, %o0
		srl %i0, 0, %o0
		#endif
		srl %i4, 0, %o4 ! IEU1
		lduw [%l7 + %l4], %l7 ! Load
		srl %i1, 0, %o1 ! IEU0 Group
		@@ -1699,11 +1692,6 @@ linux_sparc_syscall:
		bgeu,pn %xcc, linux_sparc_ni_syscall ! CTI
		mov %i0, %o0 ! IEU0
		sll %g1, 2, %l4 ! IEU0 Group
		#ifdef SYSCALL_TRACING
		call syscall_trace_entry
		add %sp, PTREGS_OFF, %o0
		mov %i0, %o0
		#endif
		mov %i1, %o1 ! IEU1
		lduw [%l7 + %l4], %l7 ! Load
		4: mov %i2, %o2 ! IEU0 Group
		@@ -1720,12 +1708,6 @@ linux_sparc_syscall:

		3: stx %o0, [%sp + PTREGS_OFF + PT_V9_I0]
		ret_sys_call:
		#ifdef SYSCALL_TRACING
		mov %o0, %o1
		call syscall_trace_exit
		add %sp, PTREGS_OFF, %o0
		mov %o1, %o0
		#endif
		ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %g3
		ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1 ! pc = npc
		sra %o0, 0, %o0

+0 −16

Original line number	Diff line number	Diff line
		@@ -33,22 +33,6 @@

		extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS];

		/*
		* To debug kernel during syscall entry.
		*/
		void syscall_trace_entry(struct pt_regs *regs)
		{
		printk("scall entry: %s[%d]/cpu%d: %d\n", current->comm, current->pid, smp_processor_id(), (int) regs->u_regs[UREG_G1]);
		}

		/*
		* To debug kernel during syscall exit.
		*/
		void syscall_trace_exit(struct pt_regs *regs)
		{
		printk("scall exit: %s[%d]/cpu%d: %d\n", current->comm, current->pid, smp_processor_id(), (int) regs->u_regs[UREG_G1]);
		}

		/*
		* To debug kernel to catch accesses to certain virtual/physical addresses.
		* Mode = 0 selects physical watchpoints, mode = 1 selects virtual watchpoints.