Commit 3fb39cb7 authored by Alexander Gordeev's avatar Alexander Gordeev
Browse files

Revert "s390/smp,ptdump: add absolute lowcore markers" 



This reverts commit e409b7f1.

Commit 7d06fed7 ("s390/smp: rework absolute lowcore access")
introduced mutex lock with interrupts disabled. This commit is
a follow-up that needs to be reverted as well.

Signed-off-by: default avatarAlexander Gordeev <agordeev@linux.ibm.com>
parent ded466e1

arch/s390/mm/dump_pagetables.c

+0 −7
Original line number Diff line number Diff line
@@ -8,7 +8,6 @@ 
#include <linux/kasan.h>

#include <asm/ptdump.h>

#include <asm/kasan.h>

#include <asm/abs_lowcore.h>

#include <asm/nospec-branch.h>

#include <asm/sections.h>
@@ -40,8 +39,6 @@ enum address_markers_idx { 
	VMALLOC_END_NR,

	MODULES_NR,

	MODULES_END_NR,

	ABS_LOWCORE_NR,

	ABS_LOWCORE_END_NR,

};



static struct addr_marker address_markers[] = {
@@ -65,8 +62,6 @@ static struct addr_marker address_markers[] = { 
	[VMALLOC_END_NR]	= {0, "vmalloc Area End"},

	[MODULES_NR]		= {0, "Modules Area Start"},

	[MODULES_END_NR]	= {0, "Modules Area End"},

	[ABS_LOWCORE_NR]	= {0, "Lowcore Area Start"},

	[ABS_LOWCORE_END_NR]	= {0, "Lowcore Area End"},

	{ -1, NULL }

};
@@ -283,8 +278,6 @@ static int pt_dump_init(void) 
	address_markers[IDENTITY_AFTER_END_NR].start_address = ident_map_size;

	address_markers[MODULES_NR].start_address = MODULES_VADDR;

	address_markers[MODULES_END_NR].start_address = MODULES_END;

	address_markers[ABS_LOWCORE_NR].start_address = __abs_lowcore;

	address_markers[ABS_LOWCORE_END_NR].start_address = __abs_lowcore + ABS_LOWCORE_MAP_SIZE;

	address_markers[VMEMMAP_NR].start_address = (unsigned long) vmemmap;

	address_markers[VMEMMAP_END_NR].start_address = (unsigned long)vmemmap + vmemmap_size;

	address_markers[VMALLOC_NR].start_address = VMALLOC_START;