On Wed, 2013-02-13 at 11:44 +1100, Michael Ellerman wrote: > In commit 466921c we added a hack to set the paca data_offset to zero so > that per-cpu accesses would work on the boot cpu prior to per-cpu areas > being setup. This fixed a problem with lockdep touching per-cpu areas > very early in boot. > > However if we combine CONFIG_LOCK_STAT=y with any of the PPC_EARLY_DEBUG > options, we can hit the same problem in udbg_early_init(). To avoid that > we need to set the data_offset of the boot_paca also. So factor out the > fixup logic and call it for both the boot_paca, and "the paca of the > boot cpu". > > Signed-off-by: Michael Ellerman <mich...@ellerman.id.au>
Tested-by: Geoff Levand <ge...@infradead.org> This fixes a boot hang on the PS3 with ps3_defconfig builds of linux-3.7. Please consider applying for linux-3.7.x stable. -Geoff _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
