linux-kernel - [PATCH platform-next v2 0/2] Support for handling interrupt storm

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-next>] [day] [month] [year] [list]

Message-ID: <20250923104452.2407460-1-crajank@nvidia.com>
Date: Tue, 23 Sep 2025 13:44:50 +0300
From: Ciju Rajan K <crajank@...dia.com>
To: <hdegoede@...hat.com>, <ilpo.jarvinen@...ux.intel.com>,
	<tglx@...utronix.de>, <andriy.shevchenko@...ux.intel.com>,
	<linux-kernel@...r.kernel.org>
CC: <christophe.jaillet@...adoo.fr>, <platform-driver-x86@...r.kernel.org>,
	<vadimp@...dia.com>, Ciju Rajan K <crajank@...dia.com>
Subject: [PATCH platform-next v2 0/2] Support for handling interrupt storm

This patcheset contain:
 Patch #1 Add fields for interrupt storm handling
 Patch #2 Add support for handling interrupt storm

v0->v2

Comments pointed out by Ilpo:
- Renamed the macro MLXREG_HOTPLUG_WM_WINDOW to MLXREG_HOTPLUG_WM_WINDOW_MS to indicate milli seconds
- Removed the timestamp stored in wmark_high_ts and used jiffies directly
- Calculating the time window and storing it in the new variable wmark_window.
- Removed the variables wmark_low_ts and wmark_high_ts
- Used continue statement inside the time window check

Changes added by Ciju:
- Renamed variable wmark_low_cntr to wmark_cntr
- Fixed the time window to check for interrupt storm

Ciju Rajan K (2):
  platform_data/mlxreg: Add fields for interrupt storm handling
  platform/mellanox: mlxreg-hotplug: Add support for handling interrupt
    storm

 drivers/platform/mellanox/mlxreg-hotplug.c | 32 ++++++++++++++++++++--
 include/linux/platform_data/mlxreg.h       |  6 ++++
 2 files changed, 36 insertions(+), 2 deletions(-)

-- 
2.47.2