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cp /boot/config-$(uname -r) /usr/src/linux-2.6.28/.config
3¡¢cdµ½ÄÚºËÔ´ÂëĿ¼£¬Îª±àÒëÄ£¿é´´½¨ÅäÖÃÎļþ¡£
cd /usr/src/linux-source-2.6.24/ && make menuconfig
4¡¢´´½¨Ò»¸öusbserial.cµÄ²¹¶¡Îļþ/root/usbserial.c.patch£¬ÄÚÈÝÈçÏ£º
--- linuxold/drivers/usb/serial/usb-serial.c 2006-12-31 17:40:28.000000000 -0600
+++ linux/drivers/usb/serial/usb-serial.c 2009-05-02 23:55:08.000000000 -0600
@@ -58,4 +58,5 @@
*/
+static ushort maxRSize, maxWSize, maxISize;
static int debug;
static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; /* initially all NULL */
@@ -817,4 +818,6 @@
}
buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
+ if (buffer_size < maxRSize)
+ buffer_size = maxRSize;
port->bulk_in_size = buffer_size;
port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
@@ -841,4 +844,6 @@
}
buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
+ if (buffer_size < maxWSize)
+ buffer_size = maxWSize;
port->bulk_out_size = buffer_size;
port->bulk_out_endpointAddress = endpoint->bEndpointAddress;
@@ -866,4 +871,6 @@
}
buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
+ if (buffer_size < maxISize)
+ buffer_size = maxISize;
port->interrupt_in_endpointAddress = endpoint->bEndpointAddress;
port->interrupt_in_buffer = kmalloc (buffer_size, GFP_KERNEL);


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http://sourceware.org/ml/glibc-bugs/2008-11/msg00073.html
http://www.nabble.com/-Bug-nptl-7057--New:-pthread-rwlock-does-not-implement-'writer-preferred'-option-td20703744.html
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <pthread.h>
#include <assert.h>
void * routine(void * arg);
int pool_add_job(void *(*process)(void * arg),void *arg);
int pool_init(unsigned int thread_num);
int po ......
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