As it should be an useful debug mechanism.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
Acked-by: Jan Beulich <jbeul...@suse.com>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com>
--
Cc: Ian Jackson <ian.jack...@eu.citrix.com>
Cc: Jan Beulich <jbeul...@suse.com>
Cc: Keir Fraser <k...@xen.org>
Cc: Tim Deegan <t...@xen.org>
v2: s/char */const void *
v5: s/ssize_t/unsigned int/
v6: Remove pointless initializers, use string literal instead of %s,
add Jan's Ack.
v7: Add Andrew's Reviewed-by
---
---
xen/common/xsplice.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/xen/common/xsplice.c b/xen/common/xsplice.c
index a02702a..001d56b 100644
--- a/xen/common/xsplice.c
+++ b/xen/common/xsplice.c
@@ -16,6 +16,7 @@
#include <xen/spinlock.h>
#include <xen/string.h>
#include <xen/symbols.h>
+#include <xen/version.h>
#include <xen/virtual_region.h>
#include <xen/vmap.h>
#include <xen/wait.h>
@@ -1355,10 +1356,15 @@ static const char *state2str(unsigned int state)
static void xsplice_printall(unsigned char key)
{
struct payload *data;
+ const void *binary_id = NULL;
+ unsigned int len = 0;
unsigned int i;
printk("'%c' pressed - Dumping all xsplice patches\n", key);
+ if ( !xen_build_id(&binary_id, &len) )
+ printk("build-id: %*phN\n", len, binary_id);
+
if ( !spin_trylock(&payload_lock) )
{
printk("Lock held. Try again.\n");
@@ -1395,6 +1401,12 @@ static void xsplice_printall(unsigned char key)
static int __init xsplice_init(void)
{
+ const void *binary_id;
+ unsigned int len;
+
+ if ( !xen_build_id(&binary_id, &len) )
+ printk(XENLOG_INFO XSPLICE ": build-id: %*phN\n", len, binary_id);
+
register_keyhandler('x', xsplice_printall, "print xsplicing info", 1);
arch_xsplice_init();
--
2.5.0
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