prom_init.c: Enable support for new DRC device tree properties "ibm,drc-info" and "ibm,dynamic-memory-v2" in initial handshake between the Linux kernel and the front end processor.
[V2: Revise constant names.] [V3: No change.] [V4: Update comments] [V5: Resynchronize/resubmit] [V6: Resynchronize to latest kernel commit code] [V7: Correct mail threading] Signed-off-by: Michael Bringmann <m...@linux.vnet.ibm.com> --- diff -Naur linux-rhel/arch/powerpc/kernel/prom_init.c linux-rhel-patch/arch/powerpc/kernel/prom_init.c --- linux-rhel/arch/powerpc/kernel/prom_init.c 2016-03-03 07:36:25.000000000 -0600 +++ linux-rhel-patch/arch/powerpc/kernel/prom_init.c 2016-06-20 15:59:58.016373676 -0500 @@ -695,7 +695,7 @@ OV4_MIN_ENT_CAP, /* minimum VP entitled capacity */ /* option vector 5: PAPR/OF options */ - VECTOR_LENGTH(21), /* length */ + VECTOR_LENGTH(22), /* length */ 0, /* don't ignore, don't halt */ OV5_FEAT(OV5_LPAR) | OV5_FEAT(OV5_SPLPAR) | OV5_FEAT(OV5_LARGE_PAGES) | OV5_FEAT(OV5_DRCONF_MEMORY) | OV5_FEAT(OV5_DONATE_DEDICATE_CPU) | @@ -731,6 +731,7 @@ 0, /* Byte 19 */ 0, /* Byte 20 */ OV5_FEAT(OV5_SUB_PROCESSORS), /* Byte 21 */ + OV5_FEAT(OV5_DYN_MEM_V2) | OV5_FEAT(OV5_DRC_INFO), /* Byte 22 */ /* option vector 6: IBM PAPR hints */ VECTOR_LENGTH(3), /* length */ -- Michael W. Bringmann Linux Technology Center IBM Corporation Tie-Line 363-5196 External: (512) 286-5196 Cell: (512) 466-0650 m...@linux.vnet.ibm.com