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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: Work around memory probing bug in openfirmware.
  sparc32: fix rtrap.S typo
  sparc32: Fix build.
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Linus Torvalds committed May 12, 2008
2 parents 454aa38 + a94a172 commit 59b1c82
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Showing 3 changed files with 14 additions and 6 deletions.
2 changes: 1 addition & 1 deletion arch/sparc/kernel/rtrap.S
Original file line number Diff line number Diff line change
Expand Up @@ -139,7 +139,7 @@ ret_trap_userwins_ok:
LOAD_PT_PRIV(sp, t_psr, t_pc, t_npc)
or %t_pc, %t_npc, %g2
andcc %g2, 0x3, %g0
sethi %hi(PSR_SYCALL), %g2
sethi %hi(PSR_SYSCALL), %g2
be 1f
andn %t_psr, %g2, %t_psr

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16 changes: 11 additions & 5 deletions arch/sparc64/mm/init.c
Original file line number Diff line number Diff line change
Expand Up @@ -610,8 +610,6 @@ static void __init remap_kernel(void)

static void __init inherit_prom_mappings(void)
{
read_obp_translations();

/* Now fixup OBP's idea about where we really are mapped. */
printk("Remapping the kernel... ");
remap_kernel();
Expand Down Expand Up @@ -1747,7 +1745,17 @@ void __init paging_init(void)

lmb_init();

/* Find available physical memory... */
/* Find available physical memory...
*
* Read it twice in order to work around a bug in openfirmware.
* The call to grab this table itself can cause openfirmware to
* allocate memory, which in turn can take away some space from
* the list of available memory. Reading it twice makes sure
* we really do get the final value.
*/
read_obp_translations();
read_obp_memory("reg", &pall[0], &pall_ents);
read_obp_memory("available", &pavail[0], &pavail_ents);
read_obp_memory("available", &pavail[0], &pavail_ents);

phys_base = 0xffffffffffffffffUL;
Expand Down Expand Up @@ -1788,8 +1796,6 @@ void __init paging_init(void)

inherit_prom_mappings();

read_obp_memory("reg", &pall[0], &pall_ents);

init_kpte_bitmap();

/* Ok, we can use our TLB miss and window trap handlers safely. */
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2 changes: 2 additions & 0 deletions include/asm-sparc/ptrace.h
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,8 @@

#ifndef __ASSEMBLY__

#include <linux/types.h>

struct pt_regs {
unsigned long psr;
unsigned long pc;
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