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[Qemu-ppc] [PATCH 5/7] spapr: Add a helper for node0_size calculation
From: |
Alexey Kardashevskiy |
Subject: |
[Qemu-ppc] [PATCH 5/7] spapr: Add a helper for node0_size calculation |
Date: |
Mon, 16 Jun 2014 17:53:51 +1000 |
In multiple places there is a node0_size variable calculation
which assumes that NUMA node #0 and memory node #0 are the same
things which they are not. Since we are going to change it and
do not want to change it in multiple places, let's make a helper.
This adds a spapr_node0_size() helper and makes use of it.
Signed-off-by: Alexey Kardashevskiy <address@hidden>
---
hw/ppc/spapr.c | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 10202e2..00ef7a1 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -351,6 +351,20 @@ static size_t create_page_sizes_prop(CPUPPCState *env,
uint32_t *prop,
return (p - prop) * sizeof(uint32_t);
}
+static hwaddr spapr_node0_size(void)
+{
+ if (nb_numa_nodes > 1) {
+ int i;
+ for (i = 0; i < nb_numa_nodes; ++i) {
+ if (node_mem[i]) {
+ return MIN(pow2floor(node_mem[i]), ram_size);
+ }
+ }
+ return ram_size;
+ }
+ return ram_size;
+}
+
#define _FDT(exp) \
do { \
int ret = (exp); \
@@ -851,8 +865,8 @@ static void spapr_reset_htab(sPAPREnvironment *spapr)
/* Update the RMA size if necessary */
if (spapr->vrma_adjust) {
- hwaddr node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size;
- spapr->rma_size = kvmppc_rma_size(node0_size, spapr->htab_shift);
+ spapr->rma_size = kvmppc_rma_size(spapr_node0_size(),
+ spapr->htab_shift);
}
}
@@ -1284,7 +1298,7 @@ static void ppc_spapr_init(MachineState *machine)
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
hwaddr rma_alloc_size;
- hwaddr node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size;
+ hwaddr node0_size = spapr_node0_size();
uint32_t initrd_base = 0;
long kernel_size = 0, initrd_size = 0;
long load_limit, rtas_limit, fw_size;
--
2.0.0
[Qemu-ppc] [PATCH 5/7] spapr: Add a helper for node0_size calculation,
Alexey Kardashevskiy <=
[Qemu-ppc] [PATCH 2/7] spapr: Use DT memory node rendering helper for other nodes, Alexey Kardashevskiy, 2014/06/16
[Qemu-ppc] [PATCH 3/7] spapr: Refactor spapr_populate_memory(), Alexey Kardashevskiy, 2014/06/16
Re: [Qemu-ppc] [PATCH 3/7] spapr: Refactor spapr_populate_memory(), Nishanth Aravamudan, 2014/06/20