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[Xen-devel] Re: Compile linux-2.6.18-xen.hg with changeset 927 error

from [Teck Choon Giam] [Permanent Link][Original]
To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] Re: Compile linux-2.6.18-xen.hg with changeset 927 error
From: Teck Choon Giam <giamteckchoon@xxxxxxxxx>
Date: Sun, 16 Aug 2009 11:49:07 +0800
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Hi Keir,

I changed available_credit to remaining_credit and get pass the error
but encounter the below which I guess is another typo?

/home/choonrpm/rpmbuild/BUILD/xen-3.4.1-src/linux-2.6.18-xen.hg/drivers/xen/blkback/xenbus.c:
In function ‘blkback_read_credit’:
/home/choonrpm/rpmbuild/BUILD/xen-3.4.1-src/linux-2.6.18-xen.hg/drivers/xen/blkback/xenbus.c:268:
error: ‘usec’ undeclared (first use in this function)
/home/choonrpm/rpmbuild/BUILD/xen-3.4.1-src/linux-2.6.18-xen.hg/drivers/xen/blkback/xenbus.c:268:
error: (Each undeclared identifier is reported only once
/home/choonrpm/rpmbuild/BUILD/xen-3.4.1-src/linux-2.6.18-xen.hg/drivers/xen/blkback/xenbus.c:268:
error: for each function it appears in.)
/home/choonrpm/rpmbuild/BUILD/xen-3.4.1-src/linux-2.6.18-xen.hg/drivers/xen/blkback/xenbus.c:291:
warning: implicit declaration of function ‘WPRINTK’
/home/choonrpm/rpmbuild/BUILD/xen-3.4.1-src/linux-2.6.18-xen.hg/drivers/xen/blkback/xenbus.c:
In function ‘connect’:
/home/choonrpm/rpmbuild/BUILD/xen-3.4.1-src/linux-2.6.18-xen.hg/drivers/xen/blkback/xenbus.c:466:
warning: passing argument 3 of ‘blkback_read_credit’ from incompatible
pointer type
/home/choonrpm/rpmbuild/BUILD/xen-3.4.1-src/linux-2.6.18-xen.hg/drivers/xen/blkback/xenbus.c:466:
warning: passing argument 4 of ‘blkback_read_credit’ from incompatible
pointer type
make[8]: *** [drivers/xen/blkback/xenbus.o] Error 1

http://xenbits.xensource.com/linux-2.6.18-xen.hg?diff/56df01ffed10/drivers/xen/blkback/xenbus.c

*usec = 0;

I guess it is:

*msec = 0;

After changing the above, I am able to get pass the error but hit with
the below error:

  LD      .tmp_vmlinux1
drivers/built-in.o: In function `blkback_read_credit':
/home/choonrpm/rpmbuild/BUILD/xen-3.4.1-src/linux-2.6.18-xen.hg/drivers/xen/blkback/xenbus.c:291:
undefined reference to `WPRINTK'
make[5]: *** [.tmp_vmlinux1] Error 1
make[4]: *** [vmlinuz] Error 2
make[3]: *** [vmlinuz] Error 2

Doing a grep WPRINTK as below and I think it lack of #define
WPRINTK(fmt, args...) line somewhere... ...

# grep WPRINTK linux-2.6.18-xen.hg/drivers/xen/*/*
linux-2.6.18-xen.hg/drivers/xen/balloon/balloon.c:#define WPRINTK(fmt,
args...) \
linux-2.6.18-xen.hg/drivers/xen/balloon/balloon.c:
WPRINTK("Unable to create /proc/xen/balloon.\n");
linux-2.6.18-xen.hg/drivers/xen/blkback/xenbus.c:
WPRINTK("Failed to parse I/O credit limit. I/O operations are
unlimited.\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("Unable to open device /dev/xen/blktap%d\n",
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("blktap: mmap, retrieving idx failed\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("you _must_ map exactly %d pages!\n",
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("Mapping user ring failed!\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("Couldn't alloc VM_FOREIGN map.\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
 WPRINTK("Error initialising /dev/xen/blktap - "
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
 WPRINTK("Error initialising /dev/xen/blktap - "
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("BLKTAP_QUERY_ALLOC_REQS ioctl: %d/%d\n",
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:        WPRINTK("%s:
out of memory\n", __FUNCTION__);
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("fast_flush: Couldn't get info!\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
         WPRINTK("Couldn't get a pte addr!\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
 WPRINTK("Incorrect req map"
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
 WPRINTK("Corresponding UE "
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
 WPRINTK("Can't get UE info!\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
 WPRINTK("RING_FULL! More to do\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
 WPRINTK("RING_REQUEST_CONS_OVERFLOW!"
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
 WPRINTK("unknown operation [%d]\n",
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("Bad number of segments in request (%d)\n", nseg);
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("blktap: ring not ready for requests!\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("blktap: fe_ring is full, can't add "
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
         WPRINTK("Couldn't get a pte addr!\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
         WPRINTK("invalid kernel buffer -- "
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
         WPRINTK("invalid user buffer -- "
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
         WPRINTK("invalid kernel buffer -- "
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("Reached Fail_flush\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("Couldn't register /dev/xen/blktap\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/blktap.c:
WPRINTK("blktap: sysfs xen_class not created\n");
linux-2.6.18-xen.hg/drivers/xen/blktap/common.h:#define WPRINTK(fmt,
args...) printk(KERN_WARNING "blk_tap: " fmt, ##args)
linux-2.6.18-xen.hg/drivers/xen/blktap/xenbus.c:
WPRINTK("Error starting thread\n");
linux-2.6.18-xen.hg/drivers/xen/netback/common.h:#define WPRINTK(fmt,
args...)                          \
linux-2.6.18-xen.hg/drivers/xen/netback/netback.c:
         WPRINTK("Memory squeeze in netback "
linux-2.6.18-xen.hg/drivers/xen/netback/xenbus.c:
WPRINTK("Failed to parse network rate limit. Traffic unlimited.\n");
linux-2.6.18-xen.hg/drivers/xen/netfront/accel.c:#define WPRINTK(fmt,
args...)                          \
linux-2.6.18-xen.hg/drivers/xen/netfront/netfront.c:#define
WPRINTK(fmt, args...)                               \
linux-2.6.18-xen.hg/drivers/xen/netfront/netfront.c:
         WPRINTK("Missing extra info\n");
linux-2.6.18-xen.hg/drivers/xen/netfront/netfront.c:
         WPRINTK("Invalid extra type: %d\n",
linux-2.6.18-xen.hg/drivers/xen/netfront/netfront.c:
         WPRINTK("rx->offset: %x, size: %u\n",
linux-2.6.18-xen.hg/drivers/xen/netfront/netfront.c:
         WPRINTK("Bad rx response id %d.\n", rx->id);
linux-2.6.18-xen.hg/drivers/xen/netfront/netfront.c:
                 WPRINTK("Unfulfilled rx req "
linux-2.6.18-xen.hg/drivers/xen/netfront/netfront.c:
         WPRINTK("Need more frags\n");
linux-2.6.18-xen.hg/drivers/xen/netfront/netfront.c:
 WPRINTK("Too many frags\n");
linux-2.6.18-xen.hg/drivers/xen/netfront/netfront.c:
 WPRINTK("GSO size must not be zero.\n");
linux-2.6.18-xen.hg/drivers/xen/netfront/netfront.c:
 WPRINTK("Bad GSO type %d.\n", gso->u.gso.type);
linux-2.6.18-xen.hg/drivers/xen/netfront/netfront.c:
WPRINTK("GSO unsupported by this kernel.\n");
linux-2.6.18-xen.hg/drivers/xen/netfront/netfront.c:
WPRINTK("Cannot specify both rx_copy and rx_flip.\n");
linux-2.6.18-xen.hg/drivers/xen/usbfront/usbfront-hub.c:
WPRINTK("xenusb_hub_control(typeReq %x wValue %x wIndex %x)\n",

So I added:

#define WPRINTK(fmt, args...) \

Above the below line:

WPRINTK("Failed to parse I/O credit limit. I/O operations are unlimited.\n");

After the above, I am able to compile without error.

Attached is the patch and I wonder if that correct?  Appreciate any
kind checking from anyone ;)

Thanks.

Kindest regards,
Giam Teck Choon

Attachment: mypatch.txt
Description: Text document

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