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[POWERPC] iSeries: Make iseries_reg_save private to iSeries

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Now that we have the alpaca, the reg_save_ptr is no longer needed in the
paca.  Eradicate all global uses of it and make it static in the iSeries
lpardata.c

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Stephen Rothwell
2008-04-10 16:43:47 +10:00
committed by Paul Mackerras
parent 3eb9cf0761
commit 30ff2e87ed
5 changed files with 73 additions and 140 deletions
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33
arch/powerpc/kernel/paca.c
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@@ -15,7 +15,6 @@
#include <asm/ptrace.h>
#include <asm/page.h>
#include <asm/lppaca.h>
#include <asm/iseries/it_lp_reg_save.h>
#include <asm/paca.h>
#include <asm/mmu.h>
@@ -25,13 +24,13 @@
extern unsigned long __toc_start;
/*
* iSeries structure which the hypervisor knows about - this structure
* The structure which the hypervisor knows about - this structure
* should not cross a page boundary. The vpa_init/register_vpa call
* is now known to fail if the lppaca structure crosses a page
* boundary. The lppaca is also used on POWER5 pSeries boxes. The
* lppaca is 640 bytes long, and cannot readily change since the
* hypervisor knows its layout, so a 1kB alignment will suffice to
* ensure that it doesn't cross a page boundary.
* boundary. The lppaca is also used on legacy iSeries and POWER5
* pSeries boxes. The lppaca is 640 bytes long, and cannot readily
* change since the hypervisor knows its layout, so a 1kB alignment
* will suffice to ensure that it doesn't cross a page boundary.
*/
struct lppaca lppaca[] = {
[0 ... (NR_CPUS-1)] = {
@@ -66,32 +65,16 @@ struct slb_shadow slb_shadow[] __cacheline_aligned = {
* processors. The processor VPD array needs one entry per physical
* processor (not thread).
*/
#define PACA_INIT_COMMON(number) \
#define PACA_INIT(number) \
{ \
.lppaca_ptr = &lppaca[number], \
.lock_token = 0x8000, \
.paca_index = (number), /* Paca Index */ \
.kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL, \
.hw_cpu_id = 0xffff, \
.slb_shadow_ptr = &slb_shadow[number],
#ifdef CONFIG_PPC_ISERIES
#define PACA_INIT_ISERIES(number) \
.reg_save_ptr = &iseries_reg_save[number],
#define PACA_INIT(number) \
{ \
PACA_INIT_COMMON(number) \
PACA_INIT_ISERIES(number) \
.slb_shadow_ptr = &slb_shadow[number], \
}
#else
#define PACA_INIT(number) \
{ \
PACA_INIT_COMMON(number) \
}
#endif
struct paca_struct paca[] = {
PACA_INIT(0),
#if NR_CPUS > 1