* [PATCH] x86: make sure memory block is RAM before passing to the allocator
@ 2013-11-04 10:25 Jan Beulich
2013-11-04 13:25 ` Keir Fraser
0 siblings, 1 reply; 2+ messages in thread
From: Jan Beulich @ 2013-11-04 10:25 UTC (permalink / raw)
To: xen-devel; +Cc: Keir Fraser
[-- Attachment #1: Type: text/plain, Size: 711 bytes --]
Memory blocks outside of the always visible 1:1 mapping range get
passed to the allocator separately (once enough other setup was done).
Skipping non-RAM regions, however, was forgotten in adc5afbf ("x86:
support up to 16Tb").
Signed-off-by: Jan Beulich <jbeulich@suse.com>
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -1155,6 +1155,8 @@ void __init __start_xen(unsigned long mb
{
uint64_t s, e;
+ if ( boot_e820.map[i].type != E820_RAM )
+ continue;
s = (boot_e820.map[i].addr + mask) & ~mask;
e = (boot_e820.map[i].addr + boot_e820.map[i].size) & ~mask;
if ( PFN_DOWN(e) <= limit )
[-- Attachment #2: x86-extra-mem-check-RAM.patch --]
[-- Type: text/plain, Size: 775 bytes --]
x86: make sure memory block is RAM before passing to the allocator
Memory blocks outside of the always visible 1:1 mapping range get
passed to the allocator separately (once enough other setup was done).
Skipping non-RAM regions, however, was forgotten in adc5afbf ("x86:
support up to 16Tb").
Signed-off-by: Jan Beulich <jbeulich@suse.com>
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -1155,6 +1155,8 @@ void __init __start_xen(unsigned long mb
{
uint64_t s, e;
+ if ( boot_e820.map[i].type != E820_RAM )
+ continue;
s = (boot_e820.map[i].addr + mask) & ~mask;
e = (boot_e820.map[i].addr + boot_e820.map[i].size) & ~mask;
if ( PFN_DOWN(e) <= limit )
[-- Attachment #3: Type: text/plain, Size: 126 bytes --]
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^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] x86: make sure memory block is RAM before passing to the allocator
2013-11-04 10:25 [PATCH] x86: make sure memory block is RAM before passing to the allocator Jan Beulich
@ 2013-11-04 13:25 ` Keir Fraser
0 siblings, 0 replies; 2+ messages in thread
From: Keir Fraser @ 2013-11-04 13:25 UTC (permalink / raw)
To: Jan Beulich, xen-devel
On 04/11/2013 10:25, "Jan Beulich" <JBeulich@suse.com> wrote:
> Memory blocks outside of the always visible 1:1 mapping range get
> passed to the allocator separately (once enough other setup was done).
> Skipping non-RAM regions, however, was forgotten in adc5afbf ("x86:
> support up to 16Tb").
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
> --- a/xen/arch/x86/setup.c
> +++ b/xen/arch/x86/setup.c
> @@ -1155,6 +1155,8 @@ void __init __start_xen(unsigned long mb
> {
> uint64_t s, e;
>
> + if ( boot_e820.map[i].type != E820_RAM )
> + continue;
> s = (boot_e820.map[i].addr + mask) & ~mask;
> e = (boot_e820.map[i].addr + boot_e820.map[i].size) & ~mask;
> if ( PFN_DOWN(e) <= limit )
>
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 2+ messages in thread
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2013-11-04 10:25 [PATCH] x86: make sure memory block is RAM before passing to the allocator Jan Beulich
2013-11-04 13:25 ` Keir Fraser
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