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[PULL,01/19] ppc/pnv: Set default ram size to 1.75GB

Message ID 20190829060827.25731-2-david@gibson.dropbear.id.au
State New
Headers show
Series [PULL,01/19] ppc/pnv: Set default ram size to 1.75GB | expand

Commit Message

David Gibson Aug. 29, 2019, 6:08 a.m. UTC 
From: Joel Stanley <joel@jms.id.au>


This makes the powernv machine easier for end users as the default
initrd address (1.5GB) is now within RAM.

This uses less than 2GB of RAM to ensure 32 bit Qemu still works.

Signed-off-by: Joel Stanley <joel@jms.id.au>

Message-Id: <20190821030945.473-1-joel@jms.id.au>
[dwg: Fix comment style for checkpatch]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

---
 hw/ppc/pnv.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

-- 
2.21.0
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Patch

diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index d95086fbbd..6ead82aaa7 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -1361,7 +1361,11 @@  static void pnv_machine_class_init(ObjectClass *oc, void *data)
                                       * storage */
     mc->no_parallel = 1;
     mc->default_boot_order = NULL;
-    mc->default_ram_size = 1 * GiB;
+    /*
+     * RAM defaults to less than 2048 for 32-bit hosts, and large
+     * enough to fit the maximum initrd size at it's load address
+     */
+    mc->default_ram_size = INITRD_LOAD_ADDR + INITRD_MAX_SIZE;
     xic->icp_get = pnv_icp_get;
     xic->ics_get = pnv_ics_get;
     xic->ics_resend = pnv_ics_resend;