[Xen-changelog] [xen stable-4.4] x86: avoid tripping watchdog when constructing dom0

[patchbot@xxxxxxx]

commit 04667d68881f7103547b96e936e48dcde5ad4d21
Author:     Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
AuthorDate: Mon Jul 13 14:04:58 2015 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Jul 13 14:04:58 2015 +0200

    x86: avoid tripping watchdog when constructing dom0
    
    Constructing dom0 may take a few seconds, particularly if the slow VESA
    graphics terminal is used. Process pending softirqs a few times to avoid
    tripping a watchdog with a short timeout.
    
    Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
    
    Move inclusion of xen/softirq.h (and at once clean up other includes).
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    master commit: c5089fae0f6f71443356530ecec4781788c7377a
    master date: 2015-06-12 12:07:05 +0200
---
 xen/arch/x86/domain_build.c        |    4 ++++
 xen/common/libelf/libelf-dominfo.c |    4 ++++
 xen/common/libelf/libelf-private.h |    4 +---
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/xen/arch/x86/domain_build.c b/xen/arch/x86/domain_build.c
index 84ce392..ada4872 100644
--- a/xen/arch/x86/domain_build.c
+++ b/xen/arch/x86/domain_build.c
@@ -366,6 +366,8 @@ int __init construct_dom0(
     BUG_ON(d->vcpu[0] == NULL);
     BUG_ON(v->is_initialised);
 
+    process_pending_softirqs();
+
     printk("*** LOADING DOMAIN 0 ***\n");
 
     d->max_pages = ~0U;
@@ -587,6 +589,8 @@ int __init construct_dom0(
            _p(v_start), _p(v_end));
     printk(" ENTRY ADDRESS: %p\n", _p(parms.virt_entry));
 
+    process_pending_softirqs();
+
     mpt_alloc = (vpt_start - v_start) + pfn_to_paddr(alloc_spfn);
     if ( vinitrd_start )
         mpt_alloc -= PAGE_ALIGN(initrd_len);
diff --git a/xen/common/libelf/libelf-dominfo.c 
b/xen/common/libelf/libelf-dominfo.c
index 86403b9..0771323 100644
--- a/xen/common/libelf/libelf-dominfo.c
+++ b/xen/common/libelf/libelf-dominfo.c
@@ -235,6 +235,10 @@ static unsigned elf_xen_parse_notes(struct elf_binary *elf,
           ELF_HANDLE_PTRVAL(note) < parms->elf_note_end;
           note = elf_note_next(elf, note) )
     {
+#ifdef __XEN__
+        process_pending_softirqs();
+#endif
+
         if ( *total_note_count >= ELF_MAX_TOTAL_NOTE_COUNT )
         {
             elf_mark_broken(elf, "too many ELF notes");
diff --git a/xen/common/libelf/libelf-private.h 
b/xen/common/libelf/libelf-private.h
index f4b79c7..63c6274 100644
--- a/xen/common/libelf/libelf-private.h
+++ b/xen/common/libelf/libelf-private.h
@@ -18,11 +18,9 @@
 
 #ifdef __XEN__
 
-#include <xen/config.h>
-#include <xen/types.h>
-#include <xen/string.h>
 #include <xen/lib.h>
 #include <xen/libelf.h>
+#include <xen/softirq.h>
 #include <asm/byteorder.h>
 #include <public/elfnote.h>
 
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.4

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