Displaying 6 results from an estimated 6 matches for "put_page_type".
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get_page_type
2007 Oct 03
0
[PATCH 3/3] TLB flushing and IO memory mapping
...neral_error;
- goto undo_out;
- }
-
- if ( op->flags & GNTMAP_host_map )
- {
- rc = create_grant_host_mapping(op->host_addr, frame, op-
>flags);
- if ( rc != GNTST_okay )
- {
- if ( !(op->flags & GNTMAP_readonly) )
- put_page_type(mfn_to_page(frame));
- put_page(mfn_to_page(frame));
+ if ( op->flags & GNTMAP_host_map )
+ {
+ /* Could be an iomem page for setting up permission */
+ if( iomem_page_test(frame, mfn_to_page(frame)) ) {
+ is_iomem = 1;
+ if ( iomem_permi...
2007 May 14
0
[PATCH] x86: replace some intpte_t * casts
...## e_get_intpte(_n), \
(_m), (_v))
@@ -2498,7 +2498,7 @@ static int create_grant_pte_mapping(
}
ol1e = *(l1_pgentry_t *)va;
- if ( !UPDATE_ENTRY(l1, va, ol1e, nl1e, mfn, v) )
+ if ( !UPDATE_ENTRY(l1, (l1_pgentry_t *)va, ol1e, nl1e, mfn, v) )
{
put_page_type(page);
rc = GNTST_general_error;
@@ -3278,7 +3278,7 @@ static int ptwr_emulated_update(
intpte_t t = old;
ol1e = l1e_from_intpte(old);
- okay = paging_cmpxchg_guest_entry(v, (intpte_t *) pl1e,
+ okay = paging_cmpxchg_guest_entry(v, &l1e_get_intpte(*pl...
2009 Jan 26
24
page ref/type count overflows
With pretty trivial user mode programs being able to crash the kernel due to
the ref counter widths in Xen being more narrow than in Linux, I started an
attempt to put together a kernel side fix. While addressing the plain
hypercalls is pretty strait forward, dealing with multicalls (both when using
them for lazy mmu mode batching and when explicitly using them in e.g.
netback - the backends are
2005 Mar 14
4
[patch/unstable] page table cleanups
...if ( unlikely(sl1e != NULL) )
- l1pte_propagate_from_guest(
- d, &l1_pgentry_val(nl1e),
- &l1_pgentry_val(sl1e[i]));
+ l1pte_propagate_from_guest(d, &nl1e, &sl1e[i]);
put_page_type(&frame_table[l1_pgentry_to_pfn(nl1e)]);
}
continue;
@@ -2412,8 +2413,7 @@ void ptwr_flush(const int which)
}
if ( unlikely(sl1e != NULL) )
- l1pte_propagate_from_guest(
- d, &l1_pgentry_val(nl1e), &l1_pgentr...
2012 Jan 09
39
[PATCH v4 00/25] xen: ARMv7 with virtualization extensions
Hello everyone,
this is the fourth version of the patch series that introduces ARMv7
with virtualization extensions support in Xen.
The series allows Xen and Dom0 to boot on a Cortex-A15 based Versatile
Express simulator.
See the following announce email for more informations about what we
are trying to achieve, as well as the original git history:
See
2011 Dec 06
57
[PATCH RFC 00/25] xen: ARMv7 with virtualization extensions
Hello everyone,
this is the very first version of the patch series that introduces ARMv7
with virtualization extensions support in Xen.
The series allows Xen and Dom0 to boot on a Cortex-A15 based Versatile
Express simulator.
See the following announce email for more informations about what we
are trying to achieve, as well as the original git history:
See