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[Xen-devel] [PATCH] linux: Allow actually using CONFIG_XEN_BLKDEV_TAP=m

To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] [PATCH] linux: Allow actually using CONFIG_XEN_BLKDEV_TAP=m
From: "Jan Beulich" <jbeulich@xxxxxxxxxx>
Date: Thu, 25 Oct 2007 10:17:12 +0100
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Again, this got broken. It would be really nice if regression testing
included building as a module everything that can be configured as
such...

As usual, written and tested against 2.6.23 and made apply against
2.6.18 without further testing.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

Index: head-2007-10-15/arch/i386/mm/hypervisor.c
===================================================================
--- head-2007-10-15.orig/arch/i386/mm/hypervisor.c      2007-10-19 
17:17:09.000000000 +0200
+++ head-2007-10-15/arch/i386/mm/hypervisor.c   2007-10-19 17:17:59.000000000 
+0200
@@ -56,6 +56,7 @@ void xen_l1_entry_update(pte_t *ptr, pte
        u.val = __pte_val(val);
        BUG_ON(HYPERVISOR_mmu_update(&u, 1, NULL, DOMID_SELF) < 0);
 }
+EXPORT_SYMBOL_GPL(xen_l1_entry_update);
 
 void xen_l2_entry_update(pmd_t *ptr, pmd_t val)
 {
Index: head-2007-10-15/drivers/xen/blktap/blktap.c
===================================================================
--- head-2007-10-15.orig/drivers/xen/blktap/blktap.c    2007-10-19 
17:17:15.000000000 +0200
+++ head-2007-10-15/drivers/xen/blktap/blktap.c 2007-06-22 09:21:11.000000000 
+0200
@@ -116,13 +116,7 @@ typedef struct tap_blkif {
 static struct tap_blkif *tapfds[MAX_TAP_DEV];
 static int blktap_next_minor;
 
-static int __init set_blkif_reqs(char *str)
-{
-       get_option(&str, &blkif_reqs);
-       return 1;
-}
-__setup("blkif_reqs=", set_blkif_reqs);
-
+module_param(blkif_reqs, int, 0);
 /* Run-time switchable: /sys/module/blktap/parameters/ */
 static unsigned int log_stats = 0;
 static unsigned int debug_lvl = 0;




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