diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-28 05:43:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-28 05:43:56 -0700 |
| commit | d630ba565f3d806d64df4415d4a8457b4ab23db6 (patch) | |
| tree | e17a7699cc82b602b32ed27ce032a4a2fcc580f3 /arch/x86/platform | |
| parent | 5fd862f1db941c302a872ed7e67eab593a6a931a (diff) | |
| parent | 6a469e4665bc158599de55d64388861d0a9f10f4 (diff) | |
Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: uv2: Workaround for UV2 Hub bug (system global address format)
Diffstat (limited to 'arch/x86/platform')
| -rw-r--r-- | arch/x86/platform/uv/tlb_uv.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index db8b915f54bc..5b552198f774 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -115,9 +115,6 @@ early_param("nobau", setup_nobau); /* base pnode in this partition */ static int uv_base_pnode __read_mostly; -/* position of pnode (which is nasid>>1): */ -static int uv_nshift __read_mostly; -static unsigned long uv_mmask __read_mostly; static DEFINE_PER_CPU(struct ptc_stats, ptcstats); static DEFINE_PER_CPU(struct bau_control, bau_control); @@ -1435,7 +1432,7 @@ static void activation_descriptor_init(int node, int pnode, int base_pnode) { int i; int cpu; - unsigned long pa; + unsigned long gpa; unsigned long m; unsigned long n; size_t dsize; @@ -1451,9 +1448,9 @@ static void activation_descriptor_init(int node, int pnode, int base_pnode) bau_desc = kmalloc_node(dsize, GFP_KERNEL, node); BUG_ON(!bau_desc); - pa = uv_gpa(bau_desc); /* need the real nasid*/ - n = pa >> uv_nshift; - m = pa & uv_mmask; + gpa = uv_gpa(bau_desc); + n = uv_gpa_to_gnode(gpa); + m = uv_gpa_to_offset(gpa); /* the 14-bit pnode */ write_mmr_descriptor_base(pnode, (n << UV_DESC_PSHIFT | m)); @@ -1525,9 +1522,9 @@ static void pq_init(int node, int pnode) bcp->queue_last = pqp + (DEST_Q_SIZE - 1); } /* - * need the pnode of where the memory was really allocated + * need the gnode of where the memory was really allocated */ - pn = uv_gpa(pqp) >> uv_nshift; + pn = uv_gpa_to_gnode(uv_gpa(pqp)); first = uv_physnodeaddr(pqp); pn_first = ((unsigned long)pn << UV_PAYLOADQ_PNODE_SHIFT) | first; last = uv_physnodeaddr(pqp + (DEST_Q_SIZE - 1)); @@ -1837,8 +1834,6 @@ static int __init uv_bau_init(void) zalloc_cpumask_var_node(mask, GFP_KERNEL, cpu_to_node(cur_cpu)); } - uv_nshift = uv_hub_info->m_val; - uv_mmask = (1UL << uv_hub_info->m_val) - 1; nuvhubs = uv_num_possible_blades(); spin_lock_init(&disable_lock); congested_cycles = usec_2_cycles(congested_respns_us); |