diff options
| author | Jeremy Kerr <jk@ozlabs.org> | 2009-03-11 17:55:52 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-24 13:47:27 +1100 |
| commit | 098e8957afd86323db04cbb8deea3bd158f9cc71 (patch) | |
| tree | 5ef1c03cc9388d1795f26541d4feb1b999252d98 | |
| parent | 4032278324bd3b7ad00b0ad687bb6125c4b9fc75 (diff) | |
powerpc: Add dispatch trace log fields to lppaca
PAPR v2.3 defines fields in the virtual processor area for a dispatch
trace log (DLT). Since we'd like to use the DLT, add the necessary
fields to struct lppaca.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/include/asm/lppaca.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index b063121abb3..68235f7e4a8 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -97,7 +97,7 @@ struct lppaca { u64 saved_gpr4; // Saved GPR4 x28-x2F u64 saved_gpr5; // Saved GPR5 x30-x37 - u8 reserved4; // Reserved x38-x38 + u8 dtl_enable_mask; // Dispatch Trace Log mask x38-x38 u8 donate_dedicated_cpu; // Donate dedicated CPU cycles x39-x39 u8 fpregs_in_use; // FP regs in use x3A-x3A u8 pmcregs_in_use; // PMC regs in use x3B-x3B @@ -134,7 +134,9 @@ struct lppaca { // CACHE_LINE_4-5 0x0180 - 0x027F Contains PMC interrupt data //============================================================================= u32 page_ins; // CMO Hint - # page ins by OS x00-x03 - u8 pmc_save_area[252]; // PMC interrupt Area x04-xFF + u8 reserved8[148]; // Reserved x04-x97 + volatile u64 dtl_idx; // Dispatch Trace Log head idx x98-x9F + u8 reserved9[96]; // Reserved xA0-xFF } __attribute__((__aligned__(0x400))); extern struct lppaca lppaca[]; |