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(parent: c76c22d) | patch
ppc: Do not take exceptions on unknown SPRs in privileged mode
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 7 Jun 2016 02:50:28 +0000 (12:50 +1000)
committerDavid Gibson <david@gibson.dropbear.id.au>
Tue, 7 Jun 2016 03:10:45 +0000 (13:10 +1000)
commit4d6a0680fa425230748a2d91d81be9afe050eeb3
tree5ffd5808261948ec27f3160aece62acc7c20ddcbtree
parentc76c22d51d347fc65d8d1b1e6e007cd2886e6313commit | diff
ppc: Do not take exceptions on unknown SPRs in privileged mode

The architecture specifies that mtspr/mfspr on an unknown SPR number
should act as a nop in privileged mode.

I haven't removed the warning however as it can be useful for
diagnosing.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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