Commit 3d6395cb authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Fix tl1 trap state capture/dump on SUN4V.



No trap levels above 2 in privileged mode on SUN4V.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 135066a2
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+6 −0
Original line number Diff line number Diff line
@@ -188,6 +188,11 @@ etraptl1: /* Save tstate/tpc/tnpc of TL 1-->4 and the tl register itself.
		rdpr	%tt, %g3
		stx	%g3, [%g2 + STACK_BIAS + 0x38]

		sethi	%hi(is_sun4v), %g3
		lduw	[%g3 + %lo(is_sun4v)], %g3
		brnz,pn	%g3, finish_tl1_capture
		 nop

		wrpr	%g0, 3, %tl
		rdpr	%tstate, %g3
		stx	%g3, [%g2 + STACK_BIAS + 0x40]
@@ -210,6 +215,7 @@ etraptl1: /* Save tstate/tpc/tnpc of TL 1-->4 and the tl register itself.

		stx	%g1, [%g2 + STACK_BIAS + 0x80]

finish_tl1_capture:
		wrpr	%g0, 1, %tl
661:		nop
		.section .sun4v_1insn_patch, "ax"
+3 −1
Original line number Diff line number Diff line
@@ -73,10 +73,12 @@ struct tl1_traplog {

static void dump_tl1_traplog(struct tl1_traplog *p)
{
	int i;
	int i, limit;

	printk("TRAPLOG: Error at trap level 0x%lx, dumping track stack.\n",
	       p->tl);

	limit = (tlb_type == hypervisor) ? 2 : 4;
	for (i = 0; i < 4; i++) {
		printk(KERN_CRIT
		       "TRAPLOG: Trap level %d TSTATE[%016lx] TPC[%016lx] "