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[Xen-devel] [PATCH] xen: increase static dmesg buffer to 64K
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| Subject: | [Xen-devel] [PATCH] xen: increase static dmesg buffer to 64K |
| From: | Olaf Hering <olaf@xxxxxxxxx> |
| Date: | Sun, 17 Jul 2011 17:43:23 +0200 |
| Delivery-date: | Sun, 17 Jul 2011 08:44:19 -0700 |
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# HG changeset patch
# User Olaf Hering <olaf@xxxxxxxxx>
# Date 1310917380 -7200
# Node ID c6cade90d47f32e19f529930ba9f9acfa69f065f
# Parent 31dd84463eece20bd01c7aee22b52a0c06c67545
xen: increase static dmesg buffer to 64K
On large systems the static dmesg buffer will overflow the 16K buffer, early
messages are lost. Increase the size to 64K to capture all lines on systems
without serial console.
Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
diff -r 31dd84463eec -r c6cade90d47f xen/drivers/char/console.c
--- a/xen/drivers/char/console.c
+++ b/xen/drivers/char/console.c
@@ -53,7 +53,7 @@ boolean_param("console_timestamps", opt_
static uint32_t __initdata opt_conring_size;
size_param("conring_size", opt_conring_size);
-#define _CONRING_SIZE 16384
+#define _CONRING_SIZE (64 * 1024)
#define CONRING_IDX_MASK(i) ((i)&(conring_size-1))
static char __initdata _conring[_CONRING_SIZE];
static char *__read_mostly conring = _conring;
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