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| author | Anton Blanchard <anton@samba.org> | 2010-06-17 16:33:06 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-07-08 10:11:42 +0200 |
| commit | 33ad5e4b6cab3ad8cf3afda49b66393f1833150e (patch) | |
| tree | 446a0139ed39a6eb94baa8ccb0742ca5b670d65a /arch/powerpc/platforms/iseries | |
| parent | powerpc: Fix feature-fixup tests for gcc 4.5 (diff) | |
| download | linux-33ad5e4b6cab3ad8cf3afda49b66393f1833150e.tar.xz linux-33ad5e4b6cab3ad8cf3afda49b66393f1833150e.zip | |
powerpc: Linux cannot run with 0 cores
If we configure with CONFIG_SMP=n or set NR_CPUS less than the number of
SMT threads we will set the max cores property to 0 in the
ibm,client-architecture-support structure. On new versions of firmware that
understand this property it obliges and terminates our partition.
Use DIV_ROUND_UP so we handle not only the CONFIG_SMP=n case but also the
case where NR_CPUS isn't a multiple of the number of SMT threads.
Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/iseries')
0 files changed, 0 insertions, 0 deletions