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s390: replace TIF_SIE with PF_VCPU

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Replace the check for TIF_SIE in the fault handler by a check for PF_VCPU.
With the last user of TIF_SIE gone we can now remove the bit.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky
2012-05-03 15:50:44 +02:00
parent 161beff8f4
commit 5e8010cb50
3 changed files with 1 additions and 6 deletions
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3
arch/s390/kernel/entry64.S
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@@ -968,7 +968,6 @@ ENTRY(sie64a)
xc __SF_EMPTY+16(8,%r15),__SF_EMPTY+16(%r15) # host id == 0
lmg %r0,%r13,0(%r3) # load guest gprs 0-13
lg %r14,__LC_THREAD_INFO # pointer thread_info struct
oi __TI_flags+6(%r14),_TIF_SIE>>8
sie_loop:
lg %r14,__LC_THREAD_INFO # pointer thread_info struct
tm __TI_flags+7(%r14),_TIF_EXIT_SIE
@@ -986,7 +985,6 @@ sie_done:
lg %r14,__LC_THREAD_INFO # pointer thread_info struct
sie_exit:
lctlg %c1,%c1,__LC_USER_ASCE # load primary asce
ni __TI_flags+6(%r14),255-(_TIF_SIE>>8)
lg %r14,__SF_EMPTY+8(%r15) # load guest register save area
stmg %r0,%r13,0(%r14) # save guest gprs 0-13
lmg %r6,%r14,__SF_GPRS(%r15) # restore kernel registers
@@ -995,7 +993,6 @@ sie_exit:
sie_fault:
lctlg %c1,%c1,__LC_USER_ASCE # load primary asce
lg %r14,__LC_THREAD_INFO # pointer thread_info struct
ni __TI_flags+6(%r14),255-(_TIF_SIE>>8)
lg %r14,__SF_EMPTY+8(%r15) # load guest register save area
stmg %r0,%r13,0(%r14) # save guest gprs 0-13
lmg %r6,%r14,__SF_GPRS(%r15) # restore kernel registers