linux-kernel - [PATCH v2 1/4] interconnect: Zero initial BW after sync-state

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 21 Jul 2021 10:54:29 -0700
From:   Mike Tipton <mdtipton@...eaurora.org>
To:     djakov@...nel.org
Cc:     bjorn.andersson@...aro.org, agross@...nel.org,
        saravanak@...gle.com, okukatla@...eaurora.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Mike Tipton <mdtipton@...eaurora.org>
Subject: [PATCH v2 1/4] interconnect: Zero initial BW after sync-state

The initial BW values may be used by providers to enforce floors. Zero
these values after sync-state so that providers know when to stop
enforcing them.

Fixes: b1d681d8d324 ("interconnect: Add sync state support")
Signed-off-by: Mike Tipton <mdtipton@...eaurora.org>
---
 drivers/interconnect/core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index 8a1e70e00876..945121e18b5c 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -1106,6 +1106,8 @@ void icc_sync_state(struct device *dev)
 		dev_dbg(p->dev, "interconnect provider is in synced state\n");
 		list_for_each_entry(n, &p->nodes, node_list) {
 			if (n->init_avg || n->init_peak) {
+				n->init_avg = 0;
+				n->init_peak = 0;
 				aggregate_requests(n);
 				p->set(n, n);
 			}
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project