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powerpc/pseries: hcall functions are exported to modules, need _GLOBAL_TOC()

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The hcall macros may call out to c code for tracing, so we need
to set up a valid r2. This fixes an oops found when testing
ibmvscsi as a module.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard
2014-05-13 20:48:57 +10:00
committed by Benjamin Herrenschmidt
parent 2ac7b0166a
commit c1931e2181
1 changed files with 3 additions and 3 deletions
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6
arch/powerpc/platforms/pseries/hvCall.S
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@ -106,7 +106,7 @@ END_FTR_SECTION(0, 1); \
.text .text
_GLOBAL(plpar_hcall_norets) _GLOBAL_TOC(plpar_hcall_norets)
HMT_MEDIUM HMT_MEDIUM
mfcr r0 mfcr r0
@ -122,7 +122,7 @@ _GLOBAL(plpar_hcall_norets)
mtcrf 0xff,r0 mtcrf 0xff,r0
blr /* return r3 = status */ blr /* return r3 = status */
_GLOBAL(plpar_hcall) _GLOBAL_TOC(plpar_hcall)
HMT_MEDIUM HMT_MEDIUM
mfcr r0 mfcr r0
@ -188,7 +188,7 @@ _GLOBAL(plpar_hcall_raw)
blr /* return r3 = status */ blr /* return r3 = status */
_GLOBAL(plpar_hcall9) _GLOBAL_TOC(plpar_hcall9)
HMT_MEDIUM HMT_MEDIUM
mfcr r0 mfcr r0