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-rw-r--r--arch/ia64/sn/kernel/setup.c4
-rw-r--r--arch/ia64/sn/kernel/xpc_channel.c4
-rw-r--r--arch/ia64/sn/kernel/xpc_main.c30
-rw-r--r--arch/ia64/sn/kernel/xpc_partition.c24
-rw-r--r--arch/ia64/sn/pci/tioce_provider.c6
5 files changed, 32 insertions, 36 deletions
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index dd6bcf4d58b..5f2dcba7fa8 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -12,7 +12,7 @@
#include <linux/kernel.h>
#include <linux/kdev_t.h>
#include <linux/string.h>
-#include <linux/tty.h>
+#include <linux/screen_info.h>
#include <linux/console.h>
#include <linux/timex.h>
#include <linux/sched.h>
@@ -565,7 +565,7 @@ static void __init sn_init_pdas(char **cmdline_p)
* Also sets up a few fields in the nodepda. Also known as
* platform_cpu_init() by the ia64 machvec code.
*/
-void __init sn_cpu_init(void)
+void __cpuinit sn_cpu_init(void)
{
int cpuid;
int cpuphyid;
diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c
index c2f69f7942a..1f3540826e6 100644
--- a/arch/ia64/sn/kernel/xpc_channel.c
+++ b/arch/ia64/sn/kernel/xpc_channel.c
@@ -279,8 +279,8 @@ xpc_pull_remote_cachelines(struct xpc_partition *part, void *dst,
return part->reason;
}
- bte_ret = xp_bte_copy((u64) src, (u64) ia64_tpa((u64) dst),
- (u64) cnt, (BTE_NORMAL | BTE_WACQUIRE), NULL);
+ bte_ret = xp_bte_copy((u64) src, (u64) dst, (u64) cnt,
+ (BTE_NORMAL | BTE_WACQUIRE), NULL);
if (bte_ret == BTE_SUCCESS) {
return xpcSuccess;
}
diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index 99b123a6421..4d026f9dd98 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -480,7 +480,7 @@ xpc_activating(void *__partid)
partid_t partid = (u64) __partid;
struct xpc_partition *part = &xpc_partitions[partid];
unsigned long irq_flags;
- struct sched_param param = { sched_priority: MAX_RT_PRIO - 1 };
+ struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 };
int ret;
@@ -1052,6 +1052,8 @@ xpc_do_exit(enum xpc_retval reason)
if (xpc_sysctl) {
unregister_sysctl_table(xpc_sysctl);
}
+
+ kfree(xpc_remote_copy_buffer_base);
}
@@ -1212,24 +1214,20 @@ xpc_init(void)
partid_t partid;
struct xpc_partition *part;
pid_t pid;
+ size_t buf_size;
if (!ia64_platform_is("sn2")) {
return -ENODEV;
}
- /*
- * xpc_remote_copy_buffer is used as a temporary buffer for bte_copy'ng
- * various portions of a partition's reserved page. Its size is based
- * on the size of the reserved page header and part_nasids mask. So we
- * need to ensure that the other items will fit as well.
- */
- if (XPC_RP_VARS_SIZE > XPC_RP_HEADER_SIZE + XP_NASID_MASK_BYTES) {
- dev_err(xpc_part, "xpc_remote_copy_buffer is not big enough\n");
- return -EPERM;
- }
- DBUG_ON((u64) xpc_remote_copy_buffer !=
- L1_CACHE_ALIGN((u64) xpc_remote_copy_buffer));
+
+ buf_size = max(XPC_RP_VARS_SIZE,
+ XPC_RP_HEADER_SIZE + XP_NASID_MASK_BYTES);
+ xpc_remote_copy_buffer = xpc_kmalloc_cacheline_aligned(buf_size,
+ GFP_KERNEL, &xpc_remote_copy_buffer_base);
+ if (xpc_remote_copy_buffer == NULL)
+ return -ENOMEM;
snprintf(xpc_part->bus_id, BUS_ID_SIZE, "part");
snprintf(xpc_chan->bus_id, BUS_ID_SIZE, "chan");
@@ -1293,6 +1291,8 @@ xpc_init(void)
if (xpc_sysctl) {
unregister_sysctl_table(xpc_sysctl);
}
+
+ kfree(xpc_remote_copy_buffer_base);
return -EBUSY;
}
@@ -1311,6 +1311,8 @@ xpc_init(void)
if (xpc_sysctl) {
unregister_sysctl_table(xpc_sysctl);
}
+
+ kfree(xpc_remote_copy_buffer_base);
return -EBUSY;
}
@@ -1362,6 +1364,8 @@ xpc_init(void)
if (xpc_sysctl) {
unregister_sysctl_table(xpc_sysctl);
}
+
+ kfree(xpc_remote_copy_buffer_base);
return -EBUSY;
}
diff --git a/arch/ia64/sn/kernel/xpc_partition.c b/arch/ia64/sn/kernel/xpc_partition.c
index 2a89cfce495..57c723f5cba 100644
--- a/arch/ia64/sn/kernel/xpc_partition.c
+++ b/arch/ia64/sn/kernel/xpc_partition.c
@@ -71,19 +71,15 @@ struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1];
* Generic buffer used to store a local copy of portions of a remote
* partition's reserved page (either its header and part_nasids mask,
* or its vars).
- *
- * xpc_discovery runs only once and is a seperate thread that is
- * very likely going to be processing in parallel with receiving
- * interrupts.
*/
-char ____cacheline_aligned xpc_remote_copy_buffer[XPC_RP_HEADER_SIZE +
- XP_NASID_MASK_BYTES];
+char *xpc_remote_copy_buffer;
+void *xpc_remote_copy_buffer_base;
/*
* Guarantee that the kmalloc'd memory is cacheline aligned.
*/
-static void *
+void *
xpc_kmalloc_cacheline_aligned(size_t size, gfp_t flags, void **base)
{
/* see if kmalloc will give us cachline aligned memory by default */
@@ -148,7 +144,7 @@ xpc_get_rsvd_page_pa(int nasid)
}
}
- bte_res = xp_bte_copy(rp_pa, ia64_tpa(buf), buf_len,
+ bte_res = xp_bte_copy(rp_pa, buf, buf_len,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
if (bte_res != BTE_SUCCESS) {
dev_dbg(xpc_part, "xp_bte_copy failed %i\n", bte_res);
@@ -447,7 +443,7 @@ xpc_check_remote_hb(void)
/* pull the remote_hb cache line */
bres = xp_bte_copy(part->remote_vars_pa,
- ia64_tpa((u64) remote_vars),
+ (u64) remote_vars,
XPC_RP_VARS_SIZE,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
if (bres != BTE_SUCCESS) {
@@ -498,8 +494,7 @@ xpc_get_remote_rp(int nasid, u64 *discovered_nasids,
/* pull over the reserved page header and part_nasids mask */
-
- bres = xp_bte_copy(*remote_rp_pa, ia64_tpa((u64) remote_rp),
+ bres = xp_bte_copy(*remote_rp_pa, (u64) remote_rp,
XPC_RP_HEADER_SIZE + xp_nasid_mask_bytes,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
if (bres != BTE_SUCCESS) {
@@ -554,11 +549,8 @@ xpc_get_remote_vars(u64 remote_vars_pa, struct xpc_vars *remote_vars)
return xpcVarsNotSet;
}
-
/* pull over the cross partition variables */
-
- bres = xp_bte_copy(remote_vars_pa, ia64_tpa((u64) remote_vars),
- XPC_RP_VARS_SIZE,
+ bres = xp_bte_copy(remote_vars_pa, (u64) remote_vars, XPC_RP_VARS_SIZE,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
if (bres != BTE_SUCCESS) {
return xpc_map_bte_errors(bres);
@@ -1239,7 +1231,7 @@ xpc_initiate_partid_to_nasids(partid_t partid, void *nasid_mask)
part_nasid_pa = (u64) XPC_RP_PART_NASIDS(part->remote_rp_pa);
- bte_res = xp_bte_copy(part_nasid_pa, ia64_tpa((u64) nasid_mask),
+ bte_res = xp_bte_copy(part_nasid_pa, (u64) nasid_mask,
xp_nasid_mask_bytes, (BTE_NOTIFY | BTE_WACQUIRE), NULL);
return xpc_map_bte_errors(bte_res);
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index 17cd3428488..af7171adcd2 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -74,7 +74,7 @@ tioce_mmr_war_pre(struct tioce_kernel *kern, void *mmr_addr)
else
mmr_war_offset = 0x158;
- readq_relaxed((void *)(mmr_base + mmr_war_offset));
+ readq_relaxed((void __iomem *)(mmr_base + mmr_war_offset));
}
}
@@ -92,8 +92,8 @@ tioce_mmr_war_post(struct tioce_kernel *kern, void *mmr_addr)
if (mmr_offset < 0x45000) {
if (mmr_offset == 0x100)
- readq_relaxed((void *)(mmr_base + 0x38));
- readq_relaxed((void *)(mmr_base + 0xb050));
+ readq_relaxed((void __iomem *)(mmr_base + 0x38));
+ readq_relaxed((void __iomem *)(mmr_base + 0xb050));
}
}