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From: Bharata B Rao <bharata@linux.vnet.ibm.com>
To: qemu-devel@nongnu.org
Cc: imammedo@redhat.com, Bharata B Rao <bharata@linux.vnet.ibm.com>,
	david@gibson.dropbear.id.au
Subject: [Qemu-devel] [RFC v0 1/2] spapr: Accommadate alignment gaps in hotplug memory region
Date: Mon,  5 Oct 2015 14:05:23 +0530	[thread overview]
Message-ID: <1444034124-28747-2-git-send-email-bharata@linux.vnet.ibm.com> (raw)
In-Reply-To: <1444034124-28747-1-git-send-email-bharata@linux.vnet.ibm.com>

Size hotplug memory region assuming a 256MB max alignment every slot.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
---
 hw/ppc/spapr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index fc5e7d6..2ec509b 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1792,6 +1792,9 @@ static void ppc_spapr_init(MachineState *machine)
 
         spapr->hotplug_memory.base = ROUND_UP(machine->ram_size,
                                               SPAPR_HOTPLUG_MEM_ALIGN);
+
+        /* size hotplug region assuming 256M max alignment per slot */
+        hotplug_mem_size += SPAPR_MEMORY_BLOCK_SIZE * machine->ram_slots;
         memory_region_init(&spapr->hotplug_memory.mr, OBJECT(spapr),
                            "hotplug-memory", hotplug_mem_size);
         memory_region_add_subregion(sysmem, spapr->hotplug_memory.base,
-- 
2.1.0

  reply	other threads:[~2015-10-05  8:35 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-05  8:35 [Qemu-devel] [RFC v0 0/2] Enforce gaps between DIMMs Bharata B Rao
2015-10-05  8:35 ` Bharata B Rao [this message]
2015-10-05  9:05   ` [Qemu-devel] [RFC v0 1/2] spapr: Accommadate alignment gaps in hotplug memory region Igor Mammedov
2015-10-06  3:29     ` David Gibson
2015-10-06  8:02       ` Igor Mammedov
2015-10-05 15:24   ` Thomas Huth
2015-10-05  8:35 ` [Qemu-devel] [RFC v0 2/2] spapr: Force gaps between DIMM's GPA Bharata B Rao
2015-10-05 20:24 ` [Qemu-devel] [RFC v0 0/2] Enforce gaps between DIMMs Michael S. Tsirkin
2015-10-06  8:08   ` Igor Mammedov
2015-10-06  9:33     ` Bharata B Rao

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