aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJeremy Kerr <jk@ozlabs.org>2009-03-11 17:55:52 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-24 13:47:27 +1100
commit098e8957afd86323db04cbb8deea3bd158f9cc71 (patch)
tree5ef1c03cc9388d1795f26541d4feb1b999252d98
parent4032278324bd3b7ad00b0ad687bb6125c4b9fc75 (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.h6
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[];