summaryrefslogtreecommitdiff
path: root/drivers/lguest/lguest.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/lguest/lguest.c')
-rw-r--r--drivers/lguest/lguest.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/lguest/lguest.c b/drivers/lguest/lguest.c
index 6e135ac0834f..ee1c6d05c3d3 100644
--- a/drivers/lguest/lguest.c
+++ b/drivers/lguest/lguest.c
@@ -964,11 +964,12 @@ __init void lguest_init(void *boot)
{
/* Copy boot parameters first: the Launcher put the physical location
* in %esi, and head.S converted that to a virtual address and handed
- * it to us. */
- memcpy(&boot_params, boot, PARAM_SIZE);
+ * it to us. We use "__memcpy" because "memcpy" sometimes tries to do
+ * tricky things to go faster, and we're not ready for that. */
+ __memcpy(&boot_params, boot, PARAM_SIZE);
/* The boot parameters also tell us where the command-line is: save
* that, too. */
- memcpy(boot_command_line, __va(boot_params.hdr.cmd_line_ptr),
+ __memcpy(boot_command_line, __va(boot_params.hdr.cmd_line_ptr),
COMMAND_LINE_SIZE);
/* We're under lguest, paravirt is enabled, and we're running at