Commit 4486c5f5 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] Adjust CMCI mask on CPU hotplug
  [IA64] make flush_tlb_kernel_range() an inline function
  [IA64] Guard elfcorehdr_addr with #if CONFIG_PROC_FS
  [IA64] Fix Altix BTE error return status
  [IA64] Remove assembler warnings on head.S
  [IA64] Remove compiler warinings about uninitialized variable in irq_ia64.c
  [IA64] set_thread_area fails in IA32 chroot
  [IA64] print kernel release in OOPS to make kerneloops.org happy
  [IA64] Two trivial spelling fixes
  [IA64] Avoid unnecessary TLB flushes when allocating memory
  [IA64] ia32 nopage
  [IA64] signal: remove redundant code in setup_sigcontext()
  IA64: Slim down __clear_bit_unlock
parents f941b168 ed5d4026
......@@ -2034,7 +2034,8 @@ sba_init(void)
if (!ia64_platform_is("hpzx1") && !ia64_platform_is("hpzx1_swiotlb"))
return 0;
#if defined(CONFIG_IA64_GENERIC) && defined(CONFIG_CRASH_DUMP)
#if defined(CONFIG_IA64_GENERIC) && defined(CONFIG_CRASH_DUMP) && \
defined(CONFIG_PROC_FS)
/* If we are booting a kdump kernel, the sba_iommu will
* cause devices that were not shutdown properly to MCA
* as soon as they are turned back on. Our only option for
......
......@@ -52,33 +52,29 @@ extern struct page *ia32_shared_page[];
extern unsigned long *ia32_gdt;
extern struct page *ia32_gate_page;
struct page *
ia32_install_shared_page (struct vm_area_struct *vma, unsigned long address, int *type)
int
ia32_install_shared_page (struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct page *pg = ia32_shared_page[smp_processor_id()];
get_page(pg);
if (type)
*type = VM_FAULT_MINOR;
return pg;
vmf->page = ia32_shared_page[smp_processor_id()];
get_page(vmf->page);
return 0;
}
struct page *
ia32_install_gate_page (struct vm_area_struct *vma, unsigned long address, int *type)
int
ia32_install_gate_page (struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct page *pg = ia32_gate_page;
get_page(pg);
if (type)
*type = VM_FAULT_MINOR;
return pg;
vmf->page = ia32_gate_page;
get_page(vmf->page);
return 0;
}
static struct vm_operations_struct ia32_shared_page_vm_ops = {
.nopage = ia32_install_shared_page
.fault = ia32_install_shared_page
};
static struct vm_operations_struct ia32_gate_page_vm_ops = {
.nopage = ia32_install_gate_page
.fault = ia32_install_gate_page
};
void
......
......@@ -1176,6 +1176,7 @@ tlb_purge_done:
RESTORE_REG(cr.dcr, r25, r17);;
RESTORE_REG(cr.iva, r25, r17);;
RESTORE_REG(cr.pta, r25, r17);;
srlz.d;; // required not to violate RAW dependency
RESTORE_REG(cr.itv, r25, r17);;
RESTORE_REG(cr.pmv, r25, r17);;
RESTORE_REG(cr.cmcv, r25, r17);;
......
......@@ -200,7 +200,7 @@ assign_irq_vector (int irq)
{
unsigned long flags;
int vector, cpu;
cpumask_t domain;
cpumask_t domain = CPU_MASK_NONE;
vector = -ENOSPC;
......@@ -340,7 +340,7 @@ int create_irq(void)
{
unsigned long flags;
int irq, vector, cpu;
cpumask_t domain;
cpumask_t domain = CPU_MASK_NONE;
irq = vector = -ENOSPC;
spin_lock_irqsave(&vector_lock, flags);
......
......@@ -75,6 +75,7 @@
#include <linux/workqueue.h>
#include <linux/cpumask.h>
#include <linux/kdebug.h>
#include <linux/cpu.h>
#include <asm/delay.h>
#include <asm/machvec.h>
......@@ -1813,6 +1814,36 @@ ia64_mca_cpu_init(void *cpu_data)
PAGE_KERNEL));
}
static void __cpuinit ia64_mca_cmc_vector_adjust(void *dummy)
{
unsigned long flags;
local_irq_save(flags);
if (!cmc_polling_enabled)
ia64_mca_cmc_vector_enable(NULL);
local_irq_restore(flags);
}
static int __cpuinit mca_cpu_callback(struct notifier_block *nfb,
unsigned long action,
void *hcpu)
{
int hotcpu = (unsigned long) hcpu;
switch (action) {
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
smp_call_function_single(hotcpu, ia64_mca_cmc_vector_adjust,
NULL, 1, 0);
break;
}
return NOTIFY_OK;
}
static struct notifier_block mca_cpu_notifier __cpuinitdata = {
.notifier_call = mca_cpu_callback
};
/*
* ia64_mca_init
*
......@@ -1996,6 +2027,8 @@ ia64_mca_late_init(void)
if (!mca_init)
return 0;
register_hotcpu_notifier(&mca_cpu_notifier);
/* Setup the CMCI/P vector and handler */
init_timer(&cmc_poll_timer);
cmc_poll_timer.function = ia64_mca_cmc_poll;
......
......@@ -27,6 +27,7 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/kdebug.h>
#include <linux/utsname.h>
#include <asm/cpu.h>
#include <asm/delay.h>
......@@ -107,8 +108,9 @@ show_regs (struct pt_regs *regs)
print_modules();
printk("\nPid: %d, CPU %d, comm: %20s\n", task_pid_nr(current),
smp_processor_id(), current->comm);
printk("psr : %016lx ifs : %016lx ip : [<%016lx>] %s\n",
regs->cr_ipsr, regs->cr_ifs, ip, print_tainted());
printk("psr : %016lx ifs : %016lx ip : [<%016lx>] %s (%s)\n",
regs->cr_ipsr, regs->cr_ifs, ip, print_tainted(),
init_utsname()->release);
print_symbol("ip is at %s\n", ip);
printk("unat: %016lx pfs : %016lx rsc : %016lx\n",
regs->ar_unat, regs->ar_pfs, regs->ar_rsc);
......@@ -737,6 +739,7 @@ flush_thread (void)
ia32_drop_ia64_partial_page_list(current);
current->thread.task_size = IA32_PAGE_OFFSET;
set_fs(USER_DS);
memset(current->thread.tls_array, 0, sizeof(current->thread.tls_array));
}
#endif
}
......
......@@ -280,15 +280,7 @@ setup_sigcontext (struct sigcontext __user *sc, sigset_t *mask, struct sigscratc
err |= __copy_to_user(&sc->sc_gr[15], &scr->pt.r15, 8); /* r15 */
err |= __put_user(scr->pt.cr_iip + ia64_psr(&scr->pt)->ri, &sc->sc_ip);
if (flags & IA64_SC_FLAG_IN_SYSCALL) {
/* Clear scratch registers if the signal interrupted a system call. */
err |= __put_user(0, &sc->sc_ar_ccv); /* ar.ccv */
err |= __put_user(0, &sc->sc_br[7]); /* b7 */
err |= __put_user(0, &sc->sc_gr[14]); /* r14 */
err |= __clear_user(&sc->sc_ar25, 2*8); /* ar.csd & ar.ssd */
err |= __clear_user(&sc->sc_gr[2], 2*8); /* r2-r3 */
err |= __clear_user(&sc->sc_gr[16], 16*8); /* r16-r31 */
} else {
if (!(flags & IA64_SC_FLAG_IN_SYSCALL)) {
/* Copy scratch regs to sigcontext if the signal didn't interrupt a syscall. */
err |= __put_user(scr->pt.ar_ccv, &sc->sc_ar_ccv); /* ar.ccv */
err |= __put_user(scr->pt.b7, &sc->sc_br[7]); /* b7 */
......
......@@ -118,7 +118,7 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid)
for (i = 0; i < (IA64_GRANULE_SIZE / PAGE_SIZE); i++)
SetPageUncached(&page[i]);
flush_tlb_kernel_range(uc_addr, uc_adddr + IA64_GRANULE_SIZE);
flush_tlb_kernel_range(uc_addr, uc_addr + IA64_GRANULE_SIZE);
status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL);
if (status == PAL_VISIBILITY_OK_REMOTE_NEEDED) {
......
......@@ -10,6 +10,7 @@
* IPI based ptc implementation and A-step IPI implementation.
* Rohit Seth <rohit.seth@intel.com>
* Ken Chen <kenneth.w.chen@intel.com>
* Christophe de Dinechin <ddd@hp.com>: Avoid ptc.e on memory allocation
*/
#include <linux/module.h>
#include <linux/init.h>
......@@ -89,9 +90,16 @@ ia64_global_tlb_purge (struct mm_struct *mm, unsigned long start,
{
static DEFINE_SPINLOCK(ptcg_lock);
if (mm != current->active_mm || !current->mm) {
flush_tlb_all();
return;
struct mm_struct *active_mm = current->active_mm;
if (mm != active_mm) {
/* Restore region IDs for mm */
if (mm && active_mm) {
activate_context(mm);
} else {
flush_tlb_all();
return;
}
}
/* HW requires global serialization of ptc.ga. */
......@@ -107,6 +115,10 @@ ia64_global_tlb_purge (struct mm_struct *mm, unsigned long start,
} while (start < end);
}
spin_unlock(&ptcg_lock);
if (mm != active_mm) {
activate_context(active_mm);
}
}
void
......
......@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (c) 2000-2006 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2007 Silicon Graphics, Inc. All Rights Reserved.
*/
#include <linux/module.h>
......@@ -227,7 +227,7 @@ retry_bteop:
BTE_LNSTAT_LOAD(bte), *bte->most_rcnt_na));
if (transfer_stat & IBLS_ERROR) {
bte_status = transfer_stat & ~IBLS_ERROR;
bte_status = BTE_GET_ERROR_STATUS(transfer_stat);
} else {
bte_status = BTE_SUCCESS;
}
......
......@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2007 Silicon Graphics, Inc. All Rights Reserved.
*/
#include <linux/types.h>
......@@ -148,7 +148,11 @@ int shub2_bte_error_handler(unsigned long _nodepda)
for (i = 0; i < BTES_PER_NODE; i++) {
bte = &err_nodepda->bte_if[i];
status = BTE_LNSTAT_LOAD(bte);
if ((status & IBLS_ERROR) || !(status & IBLS_BUSY))
if (status & IBLS_ERROR) {
bte->bh_error = BTE_SHUB2_ERROR(status);
continue;
}
if (!(status & IBLS_BUSY))
continue;
mod_timer(recovery_timer, jiffies + (HZ * 5));
BTE_PRINTK(("eh:%p:%d Marked Giving up\n", err_nodepda,
......
......@@ -41,7 +41,7 @@
* } else
* do desired mmr access
*
* According to hw, we can use reads instead of writes to the above addres
* According to hw, we can use reads instead of writes to the above address
*
* Note this WAR can only to be used for accessing internal MMR's in the
* TIOCE Coretalk Address Range 0x0 - 0x07ff_ffff. This includes the
......
......@@ -124,10 +124,21 @@ clear_bit_unlock (int nr, volatile void *addr)
/**
* __clear_bit_unlock - Non-atomically clear a bit with release
*
* This is like clear_bit_unlock, but the implementation may use a non-atomic
* store (this one uses an atomic, however).
* This is like clear_bit_unlock, but the implementation uses a store
* with release semantics. See also __raw_spin_unlock().
*/
#define __clear_bit_unlock clear_bit_unlock
static __inline__ void
__clear_bit_unlock(int nr, volatile void *addr)
{
__u32 mask, new;
volatile __u32 *m;
m = (volatile __u32 *)addr + (nr >> 5);
mask = ~(1 << (nr & 31));
new = *m & mask;
barrier();
ia64_st4_rel_nta(m, new);
}
/**
* __clear_bit - Clears a bit in memory (non-atomic version)
......
......@@ -191,6 +191,11 @@ register unsigned long ia64_r13 asm ("r13") __attribute_used__;
asm volatile ("ldf.fill %0=[%1]" :"=f"(__f__): "r"(x)); \
})
#define ia64_st4_rel_nta(m, val) \
({ \
asm volatile ("st4.rel.nta [%0] = %1\n\t" :: "r"(m), "r"(val)); \
})
#define ia64_stfs(x, regnum) \
({ \
register double __f__ asm ("f"#regnum); \
......
......@@ -63,7 +63,7 @@ extern int ia64_last_device_vector;
#define IA64_NUM_DEVICE_VECTORS (IA64_LAST_DEVICE_VECTOR - IA64_FIRST_DEVICE_VECTOR + 1)
#define IA64_MCA_RENDEZ_VECTOR 0xe8 /* MCA rendez interrupt */
#define IA64_PERFMON_VECTOR 0xee /* performanc monitor interrupt vector */
#define IA64_PERFMON_VECTOR 0xee /* performance monitor interrupt vector */
#define IA64_TIMER_VECTOR 0xef /* use highest-prio group 15 interrupt for timer */
#define IA64_MCA_WAKEUP_VECTOR 0xf0 /* MCA wakeup (must be >MCA_RENDEZ_VECTOR) */
#define IA64_IPI_LOCAL_TLB_FLUSH 0xfc /* SMP flush local TLB */
......
......@@ -110,6 +110,9 @@
#define ia64_st4_rel __st4_rel
#define ia64_st8_rel __st8_rel
/* FIXME: need st4.rel.nta intrinsic */
#define ia64_st4_rel_nta __st4_rel
#define ia64_ld1_acq __ld1_acq
#define ia64_ld2_acq __ld2_acq
#define ia64_ld4_acq __ld4_acq
......
......@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (c) 2000-2006 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2007 Silicon Graphics, Inc. All Rights Reserved.
*/
......@@ -150,6 +150,35 @@ typedef enum {
BTEFAIL_NOTAVAIL, /* BTE not available */
} bte_result_t;
#define BTEFAIL_SH2_RESP_SHORT 0x1 /* bit 000001 */
#define BTEFAIL_SH2_RESP_LONG 0x2 /* bit 000010 */
#define BTEFAIL_SH2_RESP_DSP 0x4 /* bit 000100 */
#define BTEFAIL_SH2_RESP_ACCESS 0x8 /* bit 001000 */
#define BTEFAIL_SH2_CRB_TO 0x10 /* bit 010000 */
#define BTEFAIL_SH2_NACK_LIMIT 0x20 /* bit 100000 */
#define BTEFAIL_SH2_ALL 0x3F /* bit 111111 */
#define BTE_ERR_BITS 0x3FUL
#define BTE_ERR_SHIFT 36
#define BTE_ERR_MASK (BTE_ERR_BITS << BTE_ERR_SHIFT)
#define BTE_ERROR_RETRY(value) \
(is_shub2() ? (value != BTEFAIL_SH2_CRB_TO) \
: (value != BTEFAIL_TOUT))
/*
* On shub1 BTE_ERR_MASK will always be false, so no need for is_shub2()
*/
#define BTE_SHUB2_ERROR(_status) \
((_status & BTE_ERR_MASK) \
? (((_status >> BTE_ERR_SHIFT) & BTE_ERR_BITS) | IBLS_ERROR) \
: _status)
#define BTE_GET_ERROR_STATUS(_status) \
(BTE_SHUB2_ERROR(_status) & ~IBLS_ERROR)
#define BTE_VALID_SH2_ERROR(value) \
((value >= BTEFAIL_SH2_RESP_SHORT) && (value <= BTEFAIL_SH2_ALL))
/*
* Structure defining a bte. An instance of this
......
......@@ -86,7 +86,7 @@ xp_bte_copy(u64 src, u64 vdst, u64 len, u64 mode, void *notification)
BUG_ON(REGION_NUMBER(vdst) != RGN_KERNEL);
ret = bte_copy(src, pdst, len, mode, notification);
if (ret != BTE_SUCCESS) {
if ((ret != BTE_SUCCESS) && BTE_ERROR_RETRY(ret)) {
if (!in_interrupt()) {
cond_resched();
}
......@@ -244,7 +244,30 @@ enum xpc_retval {
xpcDisconnected, /* 51: channel disconnected (closed) */
xpcUnknownReason /* 52: unknown reason -- must be last in list */
xpcBteSh2Start, /* 52: BTE CRB timeout */
/* 53: 0x1 BTE Error Response Short */
xpcBteSh2RspShort = xpcBteSh2Start + BTEFAIL_SH2_RESP_SHORT,
/* 54: 0x2 BTE Error Response Long */
xpcBteSh2RspLong = xpcBteSh2Start + BTEFAIL_SH2_RESP_LONG,
/* 56: 0x4 BTE Error Response DSB */
xpcBteSh2RspDSB = xpcBteSh2Start + BTEFAIL_SH2_RESP_DSP,
/* 60: 0x8 BTE Error Response Access */
xpcBteSh2RspAccess = xpcBteSh2Start + BTEFAIL_SH2_RESP_ACCESS,
/* 68: 0x10 BTE Error CRB timeout */
xpcBteSh2CRBTO = xpcBteSh2Start + BTEFAIL_SH2_CRB_TO,
/* 84: 0x20 BTE Error NACK limit */
xpcBteSh2NACKLimit = xpcBteSh2Start + BTEFAIL_SH2_NACK_LIMIT,
/* 115: BTE end */
xpcBteSh2End = xpcBteSh2Start + BTEFAIL_SH2_ALL,
xpcUnknownReason /* 116: unknown reason -- must be last in list */
};
......
......@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (c) 2004-2006 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2004-2007 Silicon Graphics, Inc. All Rights Reserved.
*/
......@@ -1211,6 +1211,12 @@ xpc_IPI_init(int index)
static inline enum xpc_retval
xpc_map_bte_errors(bte_result_t error)
{
if (is_shub2()) {
if (BTE_VALID_SH2_ERROR(error))
return xpcBteSh2Start + error;
else
return xpcBteUnmappedError;
}
switch (error) {
case BTE_SUCCESS: return xpcSuccess;
case BTEFAIL_DIR: return xpcBteDirectoryError;
......
......@@ -92,6 +92,10 @@ void smp_local_flush_tlb(void);
#define smp_local_flush_tlb()
#endif
#define flush_tlb_kernel_range(start, end) flush_tlb_all() /* XXX fix me */
static inline void flush_tlb_kernel_range(unsigned long start,
unsigned long end)
{
flush_tlb_all(); /* XXX fix me */
}
#endif /* _ASM_IA64_TLBFLUSH_H */
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