linux-kernel - Re: [PATCH 29/44] drivers/xen: use min() instead of min

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Message-ID: <5e384463-da22-44e3-a327-d6b793bdc9f8@suse.com>
Date: Thu, 20 Nov 2025 09:13:32 +0100
From: Jürgen Groß <jgross@...e.com>
To: david.laight.linux@...il.com, linux-kernel@...r.kernel.org
Cc: Stefano Stabellini <sstabellini@...nel.org>
Subject: Re: [PATCH 29/44] drivers/xen: use min() instead of min_t()

On 19.11.25 23:41, david.laight.linux@...il.com wrote:
> From: David Laight <david.laight.linux@...il.com>
> 
> min_t(unsigned int, a, b) casts an 'unsigned long' to 'unsigned int'.
> Use min(a, b) instead as it promotes any 'unsigned int' to 'unsigned long'
> and so cannot discard significant bits.
> 
> In this case the 'unsigned long' value is small enough that the result
> is ok.
> 
> Detected by an extra check added to min_t().
> 
> Signed-off-by: David Laight <david.laight.linux@...il.com>

Reviewed-by: Juergen Gross <jgross@...e.com>

I'll take this patch through the Xen tree.


Juergen

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