This patch has the (likely harmless) side effect of moving
.data.init_task inside the _edata.
It also changes the alignment of .data.init_task from 16384 to
THREAD_SIZE, which can in some configurations be larger than 16384. I
believe that this change fixes a potential bug on those
configurations.
Signed-off-by: Tim Abbott <[email protected]>
Cc: Kyle McMartin <[email protected]>
Cc: Helge Deller <[email protected]>
Cc: [email protected]
Cc: Sam Ravnborg <[email protected]>
---
arch/parisc/kernel/vmlinux.lds.S | 79 ++------------------------------------
1 files changed, 4 insertions(+), 75 deletions(-)
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index fd2cc4f..b2916d8 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -77,13 +77,7 @@ SECTIONS
*/
. = ALIGN(PAGE_SIZE);
data_start = .;
- . = ALIGN(16);
- /* Exception table */
- __ex_table : {
- __start___ex_table = .;
- *(__ex_table)
- __stop___ex_table = .;
- }
+ EXCEPTION_TABLE(16)
NOTES
@@ -94,23 +88,8 @@ SECTIONS
__stop___unwind = .;
}
- /* rarely changed data like cpu maps */
- . = ALIGN(16);
- .data.read_mostly : {
- *(.data.read_mostly)
- }
-
- . = ALIGN(L1_CACHE_BYTES);
/* Data */
- .data : {
- DATA_DATA
- CONSTRUCTORS
- }
-
- . = ALIGN(L1_CACHE_BYTES);
- .data.cacheline_aligned : {
- *(.data.cacheline_aligned)
- }
+ RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
/* PA-RISC locks requires 16-byte alignment */
. = ALIGN(16);
@@ -118,17 +97,6 @@ SECTIONS
*(.data.lock_aligned)
}
- /* nosave data is really only used for software suspend...it's here
- * just in case we ever implement it
- */
- . = ALIGN(PAGE_SIZE);
- __nosave_begin = .;
- .data_nosave : {
- *(.data.nosave)
- }
- . = ALIGN(PAGE_SIZE);
- __nosave_end = .;
-
/* End of data section */
_edata = .;
@@ -147,14 +115,6 @@ SECTIONS
}
__bss_stop = .;
-
- /* assembler code expects init_task to be 16k aligned */
- . = ALIGN(16384);
- /* init_task */
- .data.init_task : {
- *(.data.init_task)
- }
-
#ifdef CONFIG_64BIT
. = ALIGN(16);
/* Linkage tables */
@@ -172,31 +132,8 @@ SECTIONS
/* reserve space for interrupt stack by aligning __init* to 16k */
. = ALIGN(16384);
__init_begin = .;
- .init.text : {
- _sinittext = .;
- INIT_TEXT
- _einittext = .;
- }
- .init.data : {
- INIT_DATA
- }
- . = ALIGN(16);
- .init.setup : {
- __setup_start = .;
- *(.init.setup)
- __setup_end = .;
- }
- .initcall.init : {
- __initcall_start = .;
- INITCALLS
- __initcall_end = .;
- }
- .con_initcall.init : {
- __con_initcall_start = .;
- *(.con_initcall.init)
- __con_initcall_end = .;
- }
- SECURITY_INIT
+ INIT_TEXT_SECTION(16384)
+ INIT_DATA_SECTION(16)
/* alternate instruction replacement. This is a mechanism x86 uses
* to detect the CPU type and replace generic instruction sequences
@@ -222,14 +159,6 @@ SECTIONS
.exit.data : {
EXIT_DATA
}
-#ifdef CONFIG_BLK_DEV_INITRD
- . = ALIGN(PAGE_SIZE);
- .init.ramfs : {
- __initramfs_start = .;
- *(.init.ramfs)
- __initramfs_end = .;
- }
-#endif
PERCPU(PAGE_SIZE)
. = ALIGN(PAGE_SIZE);
--
1.6.3.3
Signed-off-by: Tim Abbott <[email protected]>
Cc: Kyle McMartin <[email protected]>
Cc: Helge Deller <[email protected]>
Cc: [email protected]
Cc: Sam Ravnborg <[email protected]>
---
arch/parisc/kernel/vmlinux.lds.S | 25 -------------------------
1 files changed, 0 insertions(+), 25 deletions(-)
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index b2916d8..6ff3f00 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -135,31 +135,6 @@ SECTIONS
INIT_TEXT_SECTION(16384)
INIT_DATA_SECTION(16)
- /* alternate instruction replacement. This is a mechanism x86 uses
- * to detect the CPU type and replace generic instruction sequences
- * with CPU specific ones. We don't currently do this in PA, but
- * it seems like a good idea...
- */
- . = ALIGN(4);
- .altinstructions : {
- __alt_instructions = .;
- *(.altinstructions)
- __alt_instructions_end = .;
- }
- .altinstr_replacement : {
- *(.altinstr_replacement)
- }
-
- /* .exit.text is discard at runtime, not link time, to deal with references
- * from .altinstructions and .eh_frame
- */
- .exit.text : {
- EXIT_TEXT
- }
- .exit.data : {
- EXIT_DATA
- }
-
PERCPU(PAGE_SIZE)
. = ALIGN(PAGE_SIZE);
__init_end = .;
--
1.6.3.3