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Re: [Xen-devel] [PATCH 09/14] livepatch: Add per-function applied/reverted state tracking marker
- To: Pawel Wieczorkiewicz <wipawel@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
- Date: Wed, 21 Aug 2019 14:28:20 -0400
- Cc: wipawel@xxxxxxxxxx, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, mpohlack@xxxxxxxxxx, Tim Deegan <tim@xxxxxxx>, Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>, Julien Grall <julien.grall@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Wed, 21 Aug 2019 18:28:38 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 8/21/19 4:19 AM, Pawel Wieczorkiewicz wrote:
struct livepatch_func {
const char *name; /* Name of function to be patched. */
void *new_addr;
@@ -834,6 +839,10 @@ struct livepatch_func {
uint32_t old_size;
uint8_t version; /* MUST be LIVEPATCH_PAYLOAD_VERSION. */
uint8_t opaque[31];
+#if defined CONFIG_X86
+ uint8_t applied;
+ uint8_t _pad[7];
+#endif
Replying here as well. Could you use part of the 'opaque[31]' space
instead for this field?
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