]> git.karo-electronics.de Git - karo-tx-linux.git/commitdiff
[S390] sclp_vt220: speed up console output for interactive work
authorChristian Borntraeger <borntraeger@de.ibm.com>
Wed, 5 Mar 2008 11:37:12 +0000 (12:37 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 5 Mar 2008 11:37:18 +0000 (12:37 +0100)
Currently an output buffer can wait up to HZ/2 until the buffer is
flushed. The wait time is noticeable in interactive tools like mc.

Change the value to HZ/20, which seems enough for interactive work.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/char/sclp_vt220.c

index 92f527201792971095eea15a1503c0938d1eaeb0..f7b258dfd52cf5a40c14470654a240c0f29b0a93 100644 (file)
@@ -367,7 +367,7 @@ sclp_vt220_timeout(unsigned long data)
        sclp_vt220_emit_current();
 }
 
-#define BUFFER_MAX_DELAY       HZ/2
+#define BUFFER_MAX_DELAY       HZ/20
 
 /* 
  * Internal implementation of the write function. Write COUNT bytes of data