Creates a section to contain scheduler entry pointers that are gathered
together into an array. This will allow, in a follow-on patch, scheduler
entries to be automatically gathered together into the array for
automatic parsing.
CC: Ian Campbell <ian.campb...@citrix.com>
CC: Stefano Stabellini <stefano.stabell...@citrix.com>
CC: Keir Fraser <k...@xen.org>
CC: Jan Beulich <jbeul...@suse.com>
CC: Andrew Cooper <andrew.coop...@citrix.com>
Signed-off-by: Jonathan Creekmore <jonathan.creekm...@gmail.com>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com>
Reviewed-by: Doug Goldstein <car...@cardoe.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
---
Changed since v4:
* Remove defensive check for schedulers since the credit scheduler
must always be present
Changed since v3:
* Add defensive check for schedulers in the linker
Changed since v1:
* rename the __start and __end symbols to better match
the rest of the file
---
xen/arch/arm/xen.lds.S | 4 ++++
xen/arch/x86/xen.lds.S | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/xen/arch/arm/xen.lds.S b/xen/arch/arm/xen.lds.S
index 0488f37..f501a2f 100644
--- a/xen/arch/arm/xen.lds.S
+++ b/xen/arch/arm/xen.lds.S
@@ -57,6 +57,10 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
*(.data.page_aligned)
*(.data)
+ . = ALIGN(8);
+ __start_schedulers_array = .;
+ *(.data.schedulers)
+ __end_schedulers_array = .;
*(.data.rel)
*(.data.rel.*)
CONSTRUCTORS
diff --git a/xen/arch/x86/xen.lds.S b/xen/arch/x86/xen.lds.S
index e18e08f..c1ce027 100644
--- a/xen/arch/x86/xen.lds.S
+++ b/xen/arch/x86/xen.lds.S
@@ -80,6 +80,10 @@ SECTIONS
__stop___pre_ex_table = .;
*(.data.read_mostly)
+ . = ALIGN(8);
+ __start_schedulers_array = .;
+ *(.data.schedulers)
+ __end_schedulers_array = .;
*(.data.rel.ro)
*(.data.rel.ro.*)
} :text
--
2.6.4
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