On Tue, Jun 18, 2013 at 06:15:16PM +0530, Jayachandran C wrote: > The definition of the CP0 register used to save the smp processor > id is repicated in many files, move them all to thread_info.h. > > Signed-off-by: Jayachandran C <jchandra@xxxxxxxxxxxx> This breaks the ip27_defconfig build: AS arch/mips/kernel/genex.o /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S: Assembler messages: /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:199: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:250: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:334: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:377: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:461: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:462: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:463: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:464: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:465: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:466: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:467: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:468: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:469: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:470: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:471: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:479: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:481: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:482: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:483: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:484: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:546: Error: Illegal operands `dmfc0 $26,$4,0' /home/ralf/src/linux/upstream-sfr/arch/mips/kernel/genex.S:581: Error: Illegal operands `dmfc0 $26,$4,0' make[4]: *** [arch/mips/kernel/genex.o] Error 1 So I've removed it again for now. Maciej, I wonder why does gas in MIPS III/IV mode accept dmfc0 $reg1, $cp0reg but not dmfc0 $reg1, $cp0reg, 0 The generated code is the same after all. Same for MIPS I/II mode and mfc0. Ralf
