parisc: Move hpmc stack into page aligned bss section

PATCH New Helge Deller 1 participant 1 message Oct 5, 2016 PA-RISC architecture

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Helge Deller

author maintainer

2016-10-05 20:05 UTC #0 lore raw

PATCH 1/1 parisc: Move hpmc stack into page aligned bss section

Do not reserve space in data section for hpmc stack, instead move it into the page aligned bss section.

Signed-off-by Helge Deller <[email protected]>

arch/parisc/kernel/hpmc.S +6 -4

index e158b6f..1bd0e09 100644
@@ -41,12 +41,12 @@
  */
 
 	.level		1.1
-	.data
 
 #include <asm/assembly.h>
 #include <asm/pdc.h>
 
 #include <linux/linkage.h>
+#include <linux/init.h>
 
 	/*
 	 * stack for os_hpmc, the HPMC handler.

@@ -55,6 +55,7 @@
 	 * IODC requires 7K byte stack.  That leaves 1K byte for os_hpmc.
 	 */
 
+	__PAGE_ALIGNED_BSS
 	.align 4096
 hpmc_stack:
 	.block 16384

@@ -65,6 +66,7 @@ hpmc_stack:
 hpmc_iodc_buf:
 	.block HPMC_IODC_BUF_SIZE
 
+	.section .bss
 	.align 8
 hpmc_raddr:
 	.block 128

@@ -297,9 +299,9 @@ os_hpmc_6:
 	nop
 ENDPROC(os_hpmc)
 .os_hpmc_end:
-	nop
-.data
-.align 4
+
+
+	__INITRODATA
 	.export os_hpmc_size
 os_hpmc_size:
 	.word .os_hpmc_end-.os_hpmc