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authorNicholas Piggin <npiggin@gmail.com>2018-09-15 01:30:53 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2018-09-19 22:01:56 +1000
commit655deecf67b240bf7bb4e73df4e1235900c26a01 (patch)
treeef8d14014f330d7f9fe8918002f55cca8023e404 /arch/powerpc/xmon
parent8fed04d0f6aedf99b3d811ba58d38bb7f938a47a (diff)
downloadlinux-655deecf67b240bf7bb4e73df4e1235900c26a01.tar.bz2
powerpc/64s/hash: SLB allocation status bitmaps
Add 32-entry bitmaps to track the allocation status of the first 32 SLB entries, and whether they are user or kernel entries. These are used to allocate free SLB entries first, before resorting to the round robin allocator. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/xmon')
-rw-r--r--arch/powerpc/xmon/xmon.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index cd43c168dc1b..ad6a549a3080 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -2393,6 +2393,9 @@ static void dump_one_paca(int cpu)
}
}
DUMP(p, vmalloc_sllp, "%#-*x");
+ DUMP(p, stab_rr, "%#-*x");
+ DUMP(p, slb_used_bitmap, "%#-*x");
+ DUMP(p, slb_kern_bitmap, "%#-*x");
if (!early_cpu_has_feature(CPU_FTR_ARCH_300)) {
DUMP(p, slb_cache_ptr, "%#-*x");
@@ -2415,7 +2418,6 @@ static void dump_one_paca(int cpu)
DUMP(p, __current, "%-*px");
DUMP(p, kstack, "%#-*llx");
printf(" %-*s = 0x%016llx\n", 25, "kstack_base", p->kstack & ~(THREAD_SIZE - 1));
- DUMP(p, stab_rr, "%#-*llx");
DUMP(p, saved_r1, "%#-*llx");
DUMP(p, trap_save, "%#-*x");
DUMP(p, irq_soft_mask, "%#-*x");