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-rw-r--r--arch/powerpc/kernel/lparcfg.c53
-rw-r--r--arch/powerpc/kernel/prom_init.c4
-rw-r--r--arch/powerpc/kernel/rtas.c2
3 files changed, 30 insertions, 29 deletions
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index 301db65f05a1..84daabe2fcba 100644
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -132,34 +132,6 @@ static int iseries_lparcfg_data(struct seq_file *m, void *v)
/*
* Methods used to fetch LPAR data when running on a pSeries platform.
*/
-/**
- * h_get_mpp
- * H_GET_MPP hcall returns info in 7 parms
- */
-int h_get_mpp(struct hvcall_mpp_data *mpp_data)
-{
- int rc;
- unsigned long retbuf[PLPAR_HCALL9_BUFSIZE];
-
- rc = plpar_hcall9(H_GET_MPP, retbuf);
-
- mpp_data->entitled_mem = retbuf[0];
- mpp_data->mapped_mem = retbuf[1];
-
- mpp_data->group_num = (retbuf[2] >> 2 * 8) & 0xffff;
- mpp_data->pool_num = retbuf[2] & 0xffff;
-
- mpp_data->mem_weight = (retbuf[3] >> 7 * 8) & 0xff;
- mpp_data->unallocated_mem_weight = (retbuf[3] >> 6 * 8) & 0xff;
- mpp_data->unallocated_entitlement = retbuf[3] & 0xffffffffffff;
-
- mpp_data->pool_size = retbuf[4];
- mpp_data->loan_request = retbuf[5];
- mpp_data->backing_mem = retbuf[6];
-
- return rc;
-}
-EXPORT_SYMBOL(h_get_mpp);
struct hvcall_ppp_data {
u64 entitlement;
@@ -345,6 +317,30 @@ static void parse_mpp_data(struct seq_file *m)
seq_printf(m, "backing_memory=%ld bytes\n", mpp_data.backing_mem);
}
+/**
+ * parse_mpp_x_data
+ * Parse out data returned from h_get_mpp_x
+ */
+static void parse_mpp_x_data(struct seq_file *m)
+{
+ struct hvcall_mpp_x_data mpp_x_data;
+
+ if (!firmware_has_feature(FW_FEATURE_XCMO))
+ return;
+ if (h_get_mpp_x(&mpp_x_data))
+ return;
+
+ seq_printf(m, "coalesced_bytes=%ld\n", mpp_x_data.coalesced_bytes);
+
+ if (mpp_x_data.pool_coalesced_bytes)
+ seq_printf(m, "pool_coalesced_bytes=%ld\n",
+ mpp_x_data.pool_coalesced_bytes);
+ if (mpp_x_data.pool_purr_cycles)
+ seq_printf(m, "coalesce_pool_purr=%ld\n", mpp_x_data.pool_purr_cycles);
+ if (mpp_x_data.pool_spurr_cycles)
+ seq_printf(m, "coalesce_pool_spurr=%ld\n", mpp_x_data.pool_spurr_cycles);
+}
+
#define SPLPAR_CHARACTERISTICS_TOKEN 20
#define SPLPAR_MAXLENGTH 1026*(sizeof(char))
@@ -520,6 +516,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v)
parse_system_parameter_string(m);
parse_ppp_data(m);
parse_mpp_data(m);
+ parse_mpp_x_data(m);
pseries_cmo_data(m);
splpar_dispatch_data(m);
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 7839bd7bfd15..c016033ba78d 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -700,8 +700,10 @@ static void __init early_cmdline_parse(void)
#endif /* CONFIG_PCI_MSI */
#ifdef CONFIG_PPC_SMLPAR
#define OV5_CMO 0x80 /* Cooperative Memory Overcommitment */
+#define OV5_XCMO 0x40 /* Page Coalescing */
#else
#define OV5_CMO 0x00
+#define OV5_XCMO 0x00
#endif
#define OV5_TYPE1_AFFINITY 0x80 /* Type 1 NUMA affinity */
@@ -756,7 +758,7 @@ static unsigned char ibm_architecture_vec[] = {
OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY |
OV5_DONATE_DEDICATE_CPU | OV5_MSI,
0,
- OV5_CMO,
+ OV5_CMO | OV5_XCMO,
OV5_TYPE1_AFFINITY,
0,
0,
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index f48446635c89..271ff6318eda 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -42,6 +42,7 @@
#include <asm/time.h>
#include <asm/mmu.h>
#include <asm/topology.h>
+#include <asm/pSeries_reconfig.h>
struct rtas_t rtas = {
.lock = __ARCH_SPIN_LOCK_UNLOCKED
@@ -731,6 +732,7 @@ static int __rtas_suspend_last_cpu(struct rtas_suspend_me_data *data, int wake_w
atomic_set(&data->error, rc);
start_topology_update();
+ pSeries_coalesce_init();
if (wake_when_done) {
atomic_set(&data->done, 1);
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