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Re: [Xen-devel] [PATCH-for-4.13 v5] Rationalize max_grant_frames and max_maptrack_frames handling
- To: Jan Beulich <jbeulich@xxxxxxxx>, Paul Durrant <pdurrant@xxxxxxxxxx>
- From: Jürgen Groß <jgross@xxxxxxxx>
- Date: Fri, 29 Nov 2019 13:01:35 +0100
- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Wei Liu <wl@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Fri, 29 Nov 2019 12:01:44 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 29.11.19 11:22, Jan Beulich wrote:
On 28.11.2019 17:52, Paul Durrant wrote:
--- a/xen/common/grant_table.c
+++ b/xen/common/grant_table.c
@@ -84,11 +84,40 @@ struct grant_table {
struct grant_table_arch arch;
};
+static int parse_gnttab_limit(const char *param, const char *arg,
+ unsigned int *valp)
+{
+ const char *e;
+ unsigned long val;
+
+ val = simple_strtoul(arg, &e, 0);
+ if ( *e )
+ return -EINVAL;
+
+ if ( val > INT_MAX )
+ return -ERANGE;
+
+ return 0;
+}
*valp doesn't get written to anymore. With this fixed (and no new
issues introduced ;-) ) hypervisor side
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
And:
Release-acked-by: Juergen Gross <jgross@xxxxxxxx>
Juergen
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