linux-kernel - Re: (subset) [PATCH v4 0/2] Optimize secure erase performance for certain Kingston eMMC devices

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Message-Id: <177026296860.37701.668895586539274878.b4-ty@kernel.dk>
Date: Wed, 04 Feb 2026 20:42:48 -0700
From: Jens Axboe <axboe@...nel.dk>
To: ulf.hansson@...aro.org, hch@...radead.org, ziniu.wang_1@....com
Cc: linux-block@...r.kernel.org, linux-mmc@...r.kernel.org, 
 linux-kernel@...r.kernel.org, imx@...ts.linux.dev
Subject: Re: (subset) [PATCH v4 0/2] Optimize secure erase performance for
 certain Kingston eMMC devices


On Wed, 04 Feb 2026 11:40:01 +0800, ziniu.wang_1@....com wrote:
> This patch series optimize secure erase performance for certain Kingston
> eMMC devices (IY2964 and IB2932) that take a fixed ~2 seconds per secure
> erase operation regardless of size.
> 
> Currently, a 1GB secure erase requires ~300 operations (limited by max
> discard size), taking ~10 minutes. With these changes, the same secure
> erase completes in a single operation, reducing time to just 2 seconds.
> 
> [...]

Applied, thanks!

[1/2] block: decouple secure erase size limit from discard size limit
      commit: ee81212f74a57c5d2b56cf504f40d528dac6faaf

Best regards,
-- 
Jens Axboe