summaryrefslogtreecommitdiffstats
path: root/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'kernel')
-rw-r--r--kernel/gsp_sema_service.c55
1 files changed, 2 insertions, 53 deletions
diff --git a/kernel/gsp_sema_service.c b/kernel/gsp_sema_service.c
index d3d88e0..ed8610f 100644
--- a/kernel/gsp_sema_service.c
+++ b/kernel/gsp_sema_service.c
@@ -8013,7 +8013,6 @@ unsigned gsp_sema_ce_grace_ms = 25000;
unsigned gsp_sema_push_hold_ms = 2500;
static unsigned long svc_gr_ring_tried; /* ranks that got a diagnostic line */
-static unsigned long svc_gr_walk_dbg; /* ranks that got a walk-verdict line */
static void svc_gr_ring_autopin(struct nv_vgpu_device *vgpu,
struct svc_channel *ch)
@@ -8218,11 +8217,9 @@ static void svc_gr_ring_autopin(struct nv_vgpu_device *vgpu,
{
u64 wpa = 0;
int wap = SVC_APERTURE_SYS;
- int wrc;
- u8 wprobe[8];
- wrc = svc_lookup_trusted(vgpu, ch->gpfifo_va, &wpa, &wap);
- if (!wrc && svc_gr_ring_candidate(vgpu, ch, wpa, wap, &va, &len, &put,
+ if (!svc_lookup_trusted(vgpu, ch->gpfifo_va, &wpa, &wap) &&
+ svc_gr_ring_candidate(vgpu, ch, wpa, wap, &va, &len, &put,
&get)) {
svc_pin_store(ch->gpfifo_va, wpa, wap);
svc_lat_store(ch->gpfifo_va, wpa, wap);
@@ -8237,54 +8234,6 @@ static void svc_gr_ring_autopin(struct nv_vgpu_device *vgpu,
wpa, wap, va, len, put, get);
return;
}
- /*
- * FORENSICS-grv6-ring (SA-RING fix A): the trusted walk is
- * driver-published truth, but the candidate gate rejects it
- * while the ring page is still empty (grv6: entry0 e0/e1=0
- * and the USERD probe rc=-11, so the ring NEVER resolved and
- * no GR push was ever decoded). Latch the walked translation
- * when the page is at least READABLE, without marking the
- * ring done: the pump then has a real target, svc_chan_userd
- * can latch the USERD as soon as it shows activity, and the
- * next autopin pass upgrades to the full pin once entry0
- * lands. A bad aperture cannot be latched (readability gate);
- * ring_done stays unset so the content paths still run.
- */
- if (!wrc &&
- !svc_read_ap(vgpu, wpa, wap, wprobe, sizeof(wprobe))) {
- svc_pin_store(ch->gpfifo_va, wpa, wap);
- svc_lat_store(ch->gpfifo_va, wpa, wap);
- ch->userd_pa = wpa + SVC_GR_USERD_OFF;
- ch->userd_as = wap;
- if (gsp_sema_dbg &&
- !test_and_set_bit(ch->gr_index, &svc_gr_walk_dbg))
- pr_info("sema-chan: GR walk-pinned (await content) h=0x%x rank=%u va=0x%llx -> pa=0x%llx ap=%d\n",
- ch->h_object, ch->gr_index,
- ch->gpfifo_va, wpa, wap);
- }
- /*
- * FORENSICS-grv6 (SA-FORENSICS-2): the H1 branch used to log
- * only successes, so a walk miss and a candidate reject were
- * indistinguishable. One verdict line per rank (dbg-gated).
- */
- if (gsp_sema_dbg &&
- !test_and_set_bit(ch->gr_index, &svc_gr_walk_dbg)) {
- if (wrc) {
- pr_info("sema-chan: GR walk miss h=0x%x rank=%u va=0x%llx rc=%d\n",
- ch->h_object, ch->gr_index,
- ch->gpfifo_va, wrc);
- } else {
- u64 r0 = 0, r1 = 0;
-
- (void)svc_read_ap(vgpu, wpa, wap, &r0,
- sizeof(r0));
- (void)svc_read_ap(vgpu, wpa + 8, wap, &r1,
- sizeof(r1));
- pr_info("sema-chan: GR walk hit/reject h=0x%x rank=%u va=0x%llx pa=0x%llx ap=%d w0=0x%llx w1=0x%llx\n",
- ch->h_object, ch->gr_index,
- ch->gpfifo_va, wpa, wap, r0, r1);
- }
- }
}
if (!test_and_set_bit(ch->gr_index, &svc_gr_ring_tried)) {