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Back out the previous revision as it causes random sig 11's to userland

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processes until a better fix is found.

Submitted by:	gallatin
This commit is contained in:
John Baldwin 2001-04-18 17:17:55 +00:00
parent 33dfeb89df
commit e18935281b
1 changed files with 3 additions and 7 deletions
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10
sys/alpha/alpha/exception.s
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@ -254,19 +254,15 @@ LEAF(exception_return, 1) /* XXX should be NESTED */
Ler1: LDGP(pv)
ldq s1, (FRAME_PS * 8)(sp) /* get the saved PS */
and s1, ALPHA_PSL_USERMODE, t0 /* are we returning to user? */
beq t0, Lkernelret /* no: kernel return */
and s1, ALPHA_PSL_IPL_MASK, t0 /* look at the saved IPL */
bne t0, Lrestoreregs /* != 0: can't do AST or SIR */
and s1, ALPHA_PSL_USERMODE, t0 /* are we returning to user? */
beq t0, Lrestoreregs /* no: just return */
/* Handle any AST's or resched's. */
mov sp, a0 /* only arg is frame */
CALL(ast)
br Lrestoreregs
Lkernelret:
stq globalp,(FRAME_T7*8)(sp) /* fixup globalp */
Lrestoreregs:
/* set the hae register if this process has specified a value */