linux-kernel - linux-next: build failure after merge of the tip tree

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Date:	Fri, 12 Jun 2015 20:51:29 +1000
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"David S.Miller" <davem@...emloft.net>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	sfr@...b.auug.org.au, derek.chickles@...iumnetworks.com,
	satananda.burla@...iumnetworks.com,
	felix.manlunas@...iumnetworks.com,
	Robert.Richter@...iumnetworks.com,
	Aleksey.Makarov@...iumnetworks.com,
	raghu.vatsavayi@...iumnetworks.com
Subject: linux-next: build failure after merge of the tip tree

Hi all,

After merging the tip tree, today's linux-next build (x86_allmodconfig)
failed like this:

  drivers/net/ethernet/cavium/liquidio/request_manager.c: In function 'octeon_init_instr_queue':
  drivers/net/ethernet/cavium/liquidio/request_manager.c:111:2: error: implicit declaration of function 'vmalloc' [-Werror=implicit-function-declaration]
    iq->request_list = vmalloc(sizeof(*iq->request_list) * num_descs);
    ^
  drivers/net/ethernet/cavium/liquidio/request_manager.c: In function 'octeon_delete_instr_queue':
  drivers/net/ethernet/cavium/liquidio/request_manager.c:178:3: error: implicit declaration of function 'vfree' [-Werror=implicit-function-declaration]
     vfree(iq->request_list);
     ^
  drivers/net/ethernet/cavium/liquidio/octeon_device.c: In function 'octeon_free_device_mem':
  drivers/net/ethernet/cavium/liquidio/octeon_device.c:653:4: error: implicit declaration of function 'vfree' [-Werror=implicit-function-declaration]
      vfree(oct->droq[i]);
      ^

And so on.

Caused by the interaction of commit d6472302f242 "x86/mm: Decouple
<linux/vmalloc.h> from <asm/io.h>" from the tip tree with commit f21fb3ed364b
"Add support of Cavium Liquidio ethernet adapters" from the net-next tree.

I applied the following fix for today:

diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_device.c b/drivers/net/ethernet/cavium/liquidio/octeon_device.c
index 2ca91657295f..4e581facae2c 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_device.c
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_device.c
@@ -27,6 +27,7 @@
 #include <linux/crc32.h>
 #include <linux/kthread.h>
 #include <linux/netdevice.h>
+#include <linux/vmalloc.h>
 #include "octeon_config.h"
 #include "liquidio_common.h"
 #include "octeon_droq.h"
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c
index 60a186f1609b..94b502a0cf33 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c
@@ -25,6 +25,7 @@
 #include <linux/pci.h>
 #include <linux/kthread.h>
 #include <linux/netdevice.h>
+#include <linux/vmalloc.h>
 #include "octeon_config.h"
 #include "liquidio_common.h"
 #include "octeon_droq.h"
diff --git a/drivers/net/ethernet/cavium/liquidio/request_manager.c b/drivers/net/ethernet/cavium/liquidio/request_manager.c
index adb428463495..cd58660dd161 100644
--- a/drivers/net/ethernet/cavium/liquidio/request_manager.c
+++ b/drivers/net/ethernet/cavium/liquidio/request_manager.c
@@ -26,6 +26,7 @@
 #include <linux/pci.h>
 #include <linux/kthread.h>
 #include <linux/netdevice.h>
+#include <linux/vmalloc.h>
 #include "octeon_config.h"
 #include "liquidio_common.h"
 #include "octeon_droq.h"


cheers



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