On Thu, Feb 23, 2017 at 8:39 AM, Rashmica Gupta wrote:
> Some powerpc hardware features may want to gain access to a
> chunk of undisturbed real memory. This update provides a means to unplug
> said memory from the kernel with a set of sysfs calls. By writing an integer
> containing the siz
On Thu, Feb 23, 2017 at 8:39 AM, Rashmica Gupta wrote:
> Some powerpc hardware features may want to gain access to a
> chunk of undisturbed real memory. This update provides a means to unplug
> said memory from the kernel with a set of sysfs calls. By writing an integer
> containing the siz
On 23/02/17 14:56, Nicholas Piggin wrote:
+
+static bool memtrace_offline_pages(u32 nid, u64 start_pfn, u64 nr_pages)
+{
+ u64 end_pfn = start_pfn + nr_pages - 1;
+
+ if (walk_memory_range(start_pfn, end_pfn, NULL,
+ check_memblock_online))
+ return false;
On 23/02/17 15:23, RashmicaGupta wrote:
You'll want to include the Signed-off-by of all authors involved
Even without them seeing any changes first?
IIUC, you should either run the changes past them first, or add a note
(e.g. "[rashmica: general cleanup, refactored foo]") with the changes
b
On 23/02/17 14:56, Nicholas Piggin wrote:
On Thu, 23 Feb 2017 08:39:10 +1100
Rashmica Gupta wrote:
Some powerpc hardware features may want to gain access to a
chunk of undisturbed real memory. This update provides a means to unplug
said memory from the kernel with a set of sysfs calls
On 23/02/17 15:01, Andrew Donnellan wrote:
On 23/02/17 14:56, Nicholas Piggin wrote:
Written by Douglas Lehr .
You could mention original author in the changelog. I thought Anton
wrote some of it too?
You'll want to include the Signed-off-by of all authors involved
Even without them seei
On 23/02/17 14:56, Nicholas Piggin wrote:
Written by Douglas Lehr .
You could mention original author in the changelog. I thought Anton
wrote some of it too?
You'll want to include the Signed-off-by of all authors involved.
--
Andrew Donnellan OzLabs, ADL Canberra
andrew.donnel
On Thu, 23 Feb 2017 08:39:10 +1100
Rashmica Gupta wrote:
> Some powerpc hardware features may want to gain access to a
> chunk of undisturbed real memory. This update provides a means to unplug
> said memory from the kernel with a set of sysfs calls. By writing an integer
> containing the
Rashmica Gupta writes:
> +}
> +machine_device_initcall(powernv, memtrace_init);
> +
> +
> +
> +/* XXX FIXME DEBUG CRAP */
> +machine_device_initcall(pseries, memtrace_init);
Should the fixme be there?
--
Stewart Smith
OPAL Architect, IBM.
Some powerpc hardware features may want to gain access to a
chunk of undisturbed real memory. This update provides a means to unplug
said memory from the kernel with a set of sysfs calls. By writing an integer
containing the size of memory to be unplugged into
/sys/kernel/debug/powerpc/memt
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