[SeaBIOS] [PATCH 2/2] pvscsi: Use high memory for rings
Dana Rubin
dana.rubin at oracle.com
Thu Aug 4 13:22:31 CEST 2016
From: Dana Rubin <dana.rubin at ravellosystems.com>
Avoid using the scarce ZoneLow memory.
This limits max number of pvscsi controllers.
As driver runs in 32bit mode, use ZoneHigh allocation instead.
Signed-off-by: Dana Rubin <dana.rubin at ravellosystems.com>
Signed-off-by: Shmulik Ladkani <shmulik.ladkani at ravellosystems.com>
---
src/hw/pvscsi.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/hw/pvscsi.c b/src/hw/pvscsi.c
index 7535493..cd4046c 100644
--- a/src/hw/pvscsi.c
+++ b/src/hw/pvscsi.c
@@ -167,18 +167,18 @@ pvscsi_init_rings(void *iobase, struct pvscsi_ring_dsc_s **ring_dsc)
{
struct PVSCSICmdDescSetupRings cmd = {0,};
- struct pvscsi_ring_dsc_s *dsc = memalign_low(PAGE_SIZE, sizeof(*dsc));
+ struct pvscsi_ring_dsc_s *dsc = memalign_high(PAGE_SIZE, sizeof(*dsc));
if (!dsc) {
warn_noalloc();
return;
}
dsc->ring_state =
- (struct PVSCSIRingsState *)memalign_low(PAGE_SIZE, PAGE_SIZE);
+ (struct PVSCSIRingsState *)memalign_high(PAGE_SIZE, PAGE_SIZE);
dsc->ring_reqs =
- (struct PVSCSIRingReqDesc *)memalign_low(PAGE_SIZE, PAGE_SIZE);
+ (struct PVSCSIRingReqDesc *)memalign_high(PAGE_SIZE, PAGE_SIZE);
dsc->ring_cmps =
- (struct PVSCSIRingCmpDesc *)memalign_low(PAGE_SIZE, PAGE_SIZE);
+ (struct PVSCSIRingCmpDesc *)memalign_high(PAGE_SIZE, PAGE_SIZE);
if (!dsc->ring_state || !dsc->ring_reqs || !dsc->ring_cmps) {
warn_noalloc();
return;
--
1.9.1
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