Re: [PATCH] xen/manage: Constify struct shutdown_handler

From: Jürgen Groß
Date: Mon Jun 24 2024 - 02:35:33 EST


On 23.06.24 11:26, Christophe JAILLET wrote:
'struct shutdown_handler' is not modified in this driver.

Constifying this structure moves some data to a read-only section, so
increase overall security.

On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
7043 788 8 7839 1e9f drivers/xen/manage.o

After:
=====
text data bss dec hex filename
7164 676 8 7848 1ea8 drivers/xen/manage.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Juergen