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powerpc/prom_init: Replace __initdata with __prombss when applicable

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This replaces all occurrences of __initdata for uninitialized
data with a new __prombss

Currently __promdata is defined to be __initdata but we'll
eventually change that.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Benjamin Herrenschmidt 2018-10-15 13:49:52 +11:00 committed by Michael Ellerman
parent b5beae5e22
commit e63334e556
1 changed files with 29 additions and 26 deletions
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55
arch/powerpc/kernel/prom_init.c
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@ -48,6 +48,9 @@
#include <linux/linux_logo.h>
/* All of prom_init bss lives here */
#define __prombss __initdata
/*
* Eventually bump that one up
*/
@ -87,7 +90,7 @@
#define OF_WORKAROUNDS 0
#else
#define OF_WORKAROUNDS of_workarounds
static int of_workarounds;
static int of_workarounds __prombss;
#endif
#define OF_WA_CLAIM 1 /* do phys/virt claim separately, then map */
@ -148,26 +151,26 @@ extern void copy_and_flush(unsigned long dest, unsigned long src,
unsigned long size, unsigned long offset);
/* prom structure */
static struct prom_t __initdata prom;
static struct prom_t __prombss prom;
static unsigned long prom_entry __initdata;
static unsigned long __prombss prom_entry;
#define PROM_SCRATCH_SIZE 256
static char __initdata of_stdout_device[256];
static char __initdata prom_scratch[PROM_SCRATCH_SIZE];
static char __prombss of_stdout_device[256];
static char __prombss prom_scratch[PROM_SCRATCH_SIZE];
static unsigned long __initdata dt_header_start;
static unsigned long __initdata dt_struct_start, dt_struct_end;
static unsigned long __initdata dt_string_start, dt_string_end;
static unsigned long __prombss dt_header_start;
static unsigned long __prombss dt_struct_start, dt_struct_end;
static unsigned long __prombss dt_string_start, dt_string_end;
static unsigned long __initdata prom_initrd_start, prom_initrd_end;
static unsigned long __prombss prom_initrd_start, prom_initrd_end;
#ifdef CONFIG_PPC64
static int __initdata prom_iommu_force_on;
static int __initdata prom_iommu_off;
static unsigned long __initdata prom_tce_alloc_start;
static unsigned long __initdata prom_tce_alloc_end;
static int __prombss prom_iommu_force_on;
static int __prombss prom_iommu_off;
static unsigned long __prombss prom_tce_alloc_start;
static unsigned long __prombss prom_tce_alloc_end;
#endif
static bool prom_radix_disable __initdata = !IS_ENABLED(CONFIG_PPC_RADIX_MMU_DEFAULT);
@ -190,22 +193,22 @@ struct platform_support {
#define PLATFORM_GENERIC 0x0500
#define PLATFORM_OPAL 0x0600
static int __initdata of_platform;
static int __prombss of_platform;
static char __initdata prom_cmd_line[COMMAND_LINE_SIZE];
static char __prombss prom_cmd_line[COMMAND_LINE_SIZE];
static unsigned long __initdata prom_memory_limit;
static unsigned long __prombss prom_memory_limit;
static unsigned long __initdata alloc_top;
static unsigned long __initdata alloc_top_high;
static unsigned long __initdata alloc_bottom;
static unsigned long __initdata rmo_top;
static unsigned long __initdata ram_top;
static unsigned long __prombss alloc_top;
static unsigned long __prombss alloc_top_high;
static unsigned long __prombss alloc_bottom;
static unsigned long __prombss rmo_top;
static unsigned long __prombss ram_top;
static struct mem_map_entry __initdata mem_reserve_map[MEM_RESERVE_MAP_SIZE];
static int __initdata mem_reserve_cnt;
static struct mem_map_entry __prombss mem_reserve_map[MEM_RESERVE_MAP_SIZE];
static int __prombss mem_reserve_cnt;
static cell_t __initdata regbuf[1024];
static cell_t __prombss regbuf[1024];
static bool rtas_has_query_cpu_stopped;
@ -1568,8 +1571,8 @@ static void __init prom_close_stdin(void)
#ifdef CONFIG_PPC_POWERNV
#ifdef CONFIG_PPC_EARLY_DEBUG_OPAL
static u64 __initdata prom_opal_base;
static u64 __initdata prom_opal_entry;
static u64 __prombss prom_opal_base;
static u64 __prombss prom_opal_entry;
#endif
/*