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| author |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-05-03 18:03:33 +0200 |
|---|---|---|
| committer |   David Gibson <david@gibson.dropbear.id.au> | 2016-05-30 13:20:04 +1000 |
| commit | b68e60e6f0d2865e961a800fb8db96a7fc6494c4 (patch) | |
| tree | b2b6f25a39c8dec9f104dd6725c4d7fafa9a35c2 /fsdev/qemu-fsdev.h | |
| parent | ppc: Fix sign extension issue in mtmsr(d) emulation (diff) | |
| download | qemu-b68e60e6f0d2865e961a800fb8db96a7fc6494c4.tar.xz qemu-b68e60e6f0d2865e961a800fb8db96a7fc6494c4.zip | |
ppc: Get out of emulation on SMT "OR" ops
Otherwise tight loops at smt_low for example, which OPAL does,
eat so much CPU that we can't boot a kernel anymore. With that,
I can boot 8 CPUs just fine with powernv.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'fsdev/qemu-fsdev.h')
0 files changed, 0 insertions, 0 deletions