| Message ID | ca1e75f66aed43191cf608de6593c7d6db9148f1.1719134768.git.christophe.jaillet@wanadoo.fr (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | xen/manage: Constify struct shutdown_handler | expand |
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@wanadoo.fr> Reviewed-by: Juergen Gross <jgross@suse.com> Juergen
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index c16df629907e..b4b4ebed68da 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -208,7 +208,7 @@ static void do_reboot(void) orderly_reboot(); } -static struct shutdown_handler shutdown_handlers[] = { +static const struct shutdown_handler shutdown_handlers[] = { { "poweroff", true, do_poweroff }, { "halt", false, do_poweroff }, { "reboot", true, do_reboot },
'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@wanadoo.fr> --- Compile tested-only --- drivers/xen/manage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)