diff mbox series

[5/7] video/vesa: unmap frame buffer when relinquishing console

Message ID 46af3a52-e0e3-a85e-7957-21bee8877836@suse.com (mailing list archive)
State Superseded
Headers show
Series x86: memcpy() / memset() (non-)ERMS flavors plus fallout | expand

Commit Message

Jan Beulich April 27, 2021, 12:55 p.m. UTC 
There's no point in keeping the VA space occupied when no further output
will occur.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
diff mbox series

Patch

--- a/xen/drivers/video/lfb.c
+++ b/xen/drivers/video/lfb.c
@@ -168,4 +168,5 @@  void lfb_free(void)
     xfree(lfb.lbuf);
     xfree(lfb.text_buf);
     xfree(lfb.line_len);
+    lfb.lfbp.lfb = ZERO_BLOCK_PTR;
 }
--- a/xen/drivers/video/vesa.c
+++ b/xen/drivers/video/vesa.c
@@ -197,5 +197,7 @@  void __init vesa_endboot(bool_t keep)
                    vlfb_info.width * bpp);
         lfb_flush();
         lfb_free();
+        iounmap(lfb);
+        lfb = ZERO_BLOCK_PTR;
     }
 }