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-rw-r--r--arch/powerpc/kernel/paca.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index 41456ff55e1..0bb1f98613b 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -11,13 +11,10 @@
11#include <linux/export.h> 11#include <linux/export.h>
12#include <linux/memblock.h> 12#include <linux/memblock.h>
13 13
14#include <asm/firmware.h>
15#include <asm/lppaca.h> 14#include <asm/lppaca.h>
16#include <asm/paca.h> 15#include <asm/paca.h>
17#include <asm/sections.h> 16#include <asm/sections.h>
18#include <asm/pgtable.h> 17#include <asm/pgtable.h>
19#include <asm/iseries/lpar_map.h>
20#include <asm/iseries/hv_types.h>
21#include <asm/kexec.h> 18#include <asm/kexec.h>
22 19
23/* This symbol is provided by the linker - let it fill in the paca 20/* This symbol is provided by the linker - let it fill in the paca
@@ -30,8 +27,8 @@ extern unsigned long __toc_start;
30 * The structure which the hypervisor knows about - this structure 27 * The structure which the hypervisor knows about - this structure
31 * should not cross a page boundary. The vpa_init/register_vpa call 28 * should not cross a page boundary. The vpa_init/register_vpa call
32 * is now known to fail if the lppaca structure crosses a page 29 * is now known to fail if the lppaca structure crosses a page
33 * boundary. The lppaca is also used on legacy iSeries and POWER5 30 * boundary. The lppaca is also used on POWER5 pSeries boxes.
34 * pSeries boxes. The lppaca is 640 bytes long, and cannot readily 31 * The lppaca is 640 bytes long, and cannot readily
35 * change since the hypervisor knows its layout, so a 1kB alignment 32 * change since the hypervisor knows its layout, so a 1kB alignment
36 * will suffice to ensure that it doesn't cross a page boundary. 33 * will suffice to ensure that it doesn't cross a page boundary.
37 */ 34 */
@@ -183,12 +180,9 @@ void __init allocate_pacas(void)
183 /* 180 /*
184 * We can't take SLB misses on the paca, and we want to access them 181 * We can't take SLB misses on the paca, and we want to access them
185 * in real mode, so allocate them within the RMA and also within 182 * in real mode, so allocate them within the RMA and also within
186 * the first segment. On iSeries they must be within the area mapped 183 * the first segment.
187 * by the HV, which is HvPagesToMap * HVPAGESIZE bytes.
188 */ 184 */
189 limit = min(0x10000000ULL, ppc64_rma_size); 185 limit = min(0x10000000ULL, ppc64_rma_size);
190 if (firmware_has_feature(FW_FEATURE_ISERIES))
191 limit = min(limit, HvPagesToMap * HVPAGESIZE);
192 186
193 paca_size = PAGE_ALIGN(sizeof(struct paca_struct) * nr_cpu_ids); 187 paca_size = PAGE_ALIGN(sizeof(struct paca_struct) * nr_cpu_ids);
194 188