From f9a5e6a27d2aa1b37758abb031f37615ac367cca Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Thu, 10 Apr 2008 16:44:30 +1000
Subject: [PATCH] [POWERPC] iSeries: Localise and constify some iSeries data
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---
arch/powerpc/platforms/iseries/ipl_parms.h | 2 --
arch/powerpc/platforms/iseries/lpardata.c | 14 +++++++-------
arch/powerpc/platforms/iseries/naca.h | 2 +-
arch/powerpc/platforms/iseries/release_data.h | 2 +-
arch/powerpc/platforms/iseries/spcomm_area.h | 2 --
arch/powerpc/platforms/iseries/vpd_areas.h | 4 ++--
include/asm-powerpc/iseries/alpaca.h | 2 +-
7 files changed, 12 insertions(+), 16 deletions(-)
diff --git a/arch/powerpc/platforms/iseries/ipl_parms.h b/arch/powerpc/platforms/iseries/ipl_parms.h
index 77c135ddbf1..83e4ca42fc5 100644
--- a/arch/powerpc/platforms/iseries/ipl_parms.h
+++ b/arch/powerpc/platforms/iseries/ipl_parms.h
@@ -65,6 +65,4 @@ struct ItIplParmsReal {
u64 xRsvd13; // Reserved x38-x3F
};
-extern struct ItIplParmsReal xItIplParmsReal;
-
#endif /* _ISERIES_IPL_PARMS_H */
diff --git a/arch/powerpc/platforms/iseries/lpardata.c b/arch/powerpc/platforms/iseries/lpardata.c
index 2331d97e49f..98bd2d37038 100644
--- a/arch/powerpc/platforms/iseries/lpardata.c
+++ b/arch/powerpc/platforms/iseries/lpardata.c
@@ -31,7 +31,7 @@
/* The HvReleaseData is the root of the information shared between
* the hypervisor and Linux.
*/
-struct HvReleaseData hvReleaseData = {
+const struct HvReleaseData hvReleaseData = {
.xDesc = 0xc8a5d9c4, /* "HvRD" ebcdic */
.xSize = sizeof(struct HvReleaseData),
.xVpdAreasPtrOffset = offsetof(struct naca_struct, xItVpdAreas),
@@ -186,7 +186,7 @@ struct ItLpNaca itLpNaca = {
};
/* May be filled in by the hypervisor so cannot end up in the BSS */
-struct ItIplParmsReal xItIplParmsReal __attribute__((__section__(".data")));
+static struct ItIplParmsReal xItIplParmsReal __attribute__((__section__(".data")));
/* May be filled in by the hypervisor so cannot end up in the BSS */
struct ItExtVpdPanel xItExtVpdPanel __attribute__((__section__(".data")));
@@ -209,14 +209,14 @@ u64 xMsVpd[3400] __attribute__((__section__(".data")));
/* Space for Recovery Log Buffer */
/* May be filled in by the hypervisor so cannot end up in the BSS */
-u64 xRecoveryLogBuffer[32] __attribute__((__section__(".data")));
+static u64 xRecoveryLogBuffer[32] __attribute__((__section__(".data")));
-struct SpCommArea xSpCommArea = {
+static const struct SpCommArea xSpCommArea = {
.xDesc = 0xE2D7C3C2,
.xFormat = 1,
};
-static struct ItLpRegSave iseries_reg_save[] = {
+static const struct ItLpRegSave iseries_reg_save[] = {
[0 ... (NR_CPUS-1)] = {
.xDesc = 0xd397d9e2, /* "LpRS" */
.xSize = sizeof(struct ItLpRegSave),
@@ -229,7 +229,7 @@ static struct ItLpRegSave iseries_reg_save[] = {
.reg_save_ptr = &iseries_reg_save[number], \
}
-struct alpaca alpaca[] = {
+const struct alpaca alpaca[] = {
ALPACA_INIT( 0),
#if NR_CPUS > 1
ALPACA_INIT( 1), ALPACA_INIT( 2), ALPACA_INIT( 3),
@@ -265,7 +265,7 @@ struct alpaca alpaca[] = {
* the Naca via the HvReleaseData area. The HvReleaseData has the
* offset into the Naca of the pointer to the ItVpdAreas.
*/
-struct ItVpdAreas itVpdAreas = {
+const struct ItVpdAreas itVpdAreas = {
.xSlicDesc = 0xc9a3e5c1, /* "ItVA" */
.xSlicSize = sizeof(struct ItVpdAreas),
.xSlicVpdEntries = ItVpdMaxEntries, /* # VPD array entries */
diff --git a/arch/powerpc/platforms/iseries/naca.h b/arch/powerpc/platforms/iseries/naca.h
index ab2372eb8d2..f01708e1286 100644
--- a/arch/powerpc/platforms/iseries/naca.h
+++ b/arch/powerpc/platforms/iseries/naca.h
@@ -14,7 +14,7 @@
struct naca_struct {
/* Kernel only data - undefined for user space */
- void *xItVpdAreas; /* VPD Data 0x00 */
+ const void *xItVpdAreas; /* VPD Data 0x00 */
void *xRamDisk; /* iSeries ramdisk 0x08 */
u64 xRamDiskSize; /* In pages 0x10 */
};
diff --git a/arch/powerpc/platforms/iseries/release_data.h b/arch/powerpc/platforms/iseries/release_data.h
index 66189fd2e32..6ad7d843e8f 100644
--- a/arch/powerpc/platforms/iseries/release_data.h
+++ b/arch/powerpc/platforms/iseries/release_data.h
@@ -58,6 +58,6 @@ struct HvReleaseData {
char xRsvd3[20]; /* Reserved x2C-x3F */
};
-extern struct HvReleaseData hvReleaseData;
+extern const struct HvReleaseData hvReleaseData;
#endif /* _ISERIES_RELEASE_DATA_H */
diff --git a/arch/powerpc/platforms/iseries/spcomm_area.h b/arch/powerpc/platforms/iseries/spcomm_area.h
index 6e3b685115c..598b7c14573 100644
--- a/arch/powerpc/platforms/iseries/spcomm_area.h
+++ b/arch/powerpc/platforms/iseries/spcomm_area.h
@@ -31,6 +31,4 @@ struct SpCommArea {
u8 xRsvd2[80]; // Reserved 030-07F
};
-extern struct SpCommArea xSpCommArea;
-
#endif /* _ISERIES_SPCOMM_AREA_H */
diff --git a/arch/powerpc/platforms/iseries/vpd_areas.h b/arch/powerpc/platforms/iseries/vpd_areas.h
index 601e6dd860e..feb001f3a5f 100644
--- a/arch/powerpc/platforms/iseries/vpd_areas.h
+++ b/arch/powerpc/platforms/iseries/vpd_areas.h
@@ -80,9 +80,9 @@ struct ItVpdAreas {
u32 xPlicDmaLens[ItDmaMaxEntries];// Array of DMA lengths 080-0A7
u32 xPlicDmaToks[ItDmaMaxEntries];// Array of DMA tokens 0A8-0CF
u32 xSlicVpdLens[ItVpdMaxEntries];// Array of VPD lengths 0D0-12F
- void *xSlicVpdAdrs[ItVpdMaxEntries];// Array of VPD buffers 130-1EF
+ const void *xSlicVpdAdrs[ItVpdMaxEntries];// Array of VPD buffers 130-1EF
};
-extern struct ItVpdAreas itVpdAreas;
+extern const struct ItVpdAreas itVpdAreas;
#endif /* _ISERIES_VPD_AREAS_H */
diff --git a/include/asm-powerpc/iseries/alpaca.h b/include/asm-powerpc/iseries/alpaca.h
index 26fc081cb84..c0cce6727a6 100644
--- a/include/asm-powerpc/iseries/alpaca.h
+++ b/include/asm-powerpc/iseries/alpaca.h
@@ -25,7 +25,7 @@
*/
struct alpaca {
struct lppaca *lppaca_ptr; /* Pointer to LpPaca for PLIC */
- void *reg_save_ptr; /* Pointer to LpRegSave for PLIC */
+ const void *reg_save_ptr; /* Pointer to LpRegSave for PLIC */
};
#endif /* _ASM_POWERPC_ISERIES_ALPACA_H */
--
2.41.3