* [PATCH] xen: arm: ignore zero sized memory banks
@ 2014-06-30 15:38 Ian Campbell
2014-06-30 19:12 ` Stefano Stabellini
2014-07-01 13:13 ` Julien Grall
0 siblings, 2 replies; 3+ messages in thread
From: Ian Campbell @ 2014-06-30 15:38 UTC (permalink / raw)
To: xen-devel; +Cc: julien.grall, tim, Ian Campbell, stefano.stabellini
At least one platform (xgene) has a memory node which contains 4
banks, 3 of which are all zeroes.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
---
xen/common/device_tree.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
index f0b17a3..556061a 100644
--- a/xen/common/device_tree.c
+++ b/xen/common/device_tree.c
@@ -322,6 +322,8 @@ static void __init process_memory_node(const void *fdt, int node,
for ( i = 0; i < banks && early_info.mem.nr_banks < NR_MEM_BANKS; i++ )
{
device_tree_get_reg(&cell, address_cells, size_cells, &start, &size);
+ if ( !size )
+ continue;
early_info.mem.bank[early_info.mem.nr_banks].start = start;
early_info.mem.bank[early_info.mem.nr_banks].size = size;
early_info.mem.nr_banks++;
--
1.7.10.4
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] xen: arm: ignore zero sized memory banks
2014-06-30 15:38 [PATCH] xen: arm: ignore zero sized memory banks Ian Campbell
@ 2014-06-30 19:12 ` Stefano Stabellini
2014-07-01 13:13 ` Julien Grall
1 sibling, 0 replies; 3+ messages in thread
From: Stefano Stabellini @ 2014-06-30 19:12 UTC (permalink / raw)
To: Ian Campbell; +Cc: stefano.stabellini, tim, julien.grall, xen-devel
On Mon, 30 Jun 2014, Ian Campbell wrote:
> At least one platform (xgene) has a memory node which contains 4
> banks, 3 of which are all zeroes.
>
> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> xen/common/device_tree.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
> index f0b17a3..556061a 100644
> --- a/xen/common/device_tree.c
> +++ b/xen/common/device_tree.c
> @@ -322,6 +322,8 @@ static void __init process_memory_node(const void *fdt, int node,
> for ( i = 0; i < banks && early_info.mem.nr_banks < NR_MEM_BANKS; i++ )
> {
> device_tree_get_reg(&cell, address_cells, size_cells, &start, &size);
> + if ( !size )
> + continue;
> early_info.mem.bank[early_info.mem.nr_banks].start = start;
> early_info.mem.bank[early_info.mem.nr_banks].size = size;
> early_info.mem.nr_banks++;
> --
> 1.7.10.4
>
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] xen: arm: ignore zero sized memory banks
2014-06-30 15:38 [PATCH] xen: arm: ignore zero sized memory banks Ian Campbell
2014-06-30 19:12 ` Stefano Stabellini
@ 2014-07-01 13:13 ` Julien Grall
1 sibling, 0 replies; 3+ messages in thread
From: Julien Grall @ 2014-07-01 13:13 UTC (permalink / raw)
To: Ian Campbell, xen-devel; +Cc: tim, stefano.stabellini
Hi Ian,
On 06/30/2014 04:38 PM, Ian Campbell wrote:
> At least one platform (xgene) has a memory node which contains 4
> banks, 3 of which are all zeroes.
>
> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Julien Grall <julien.grall@linaro.org>
Regards,
--
Julien Grall
^ permalink raw reply [flat|nested] 3+ messages in thread
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2014-06-30 15:38 [PATCH] xen: arm: ignore zero sized memory banks Ian Campbell
2014-06-30 19:12 ` Stefano Stabellini
2014-07-01 13:13 ` Julien Grall
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