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Usual mish-mash of ia64 fixes for next merge window

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Merge tag 'please-pull-ia64-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull ia64 update from Tony Luck:
 "Usual mish-mash of ia64 fixes for next merge window"

* tag 'please-pull-ia64-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  [IA64] xen: Fix return value check in xencomm_vtop()
  [IA64] Must enable interrupts in do_notify_resume_user before calling tracehook_notify_resume()
  [IA64] kexec: Move the dereference below the NULL test
  [IA64] Fix a node distance bug
This commit is contained in:
Linus Torvalds 2012-10-01 13:56:35 -07:00
commit a57d985e37
4 changed files with 7 additions and 5 deletions
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2
arch/ia64/include/asm/numa.h
View File

@ -59,7 +59,7 @@ extern struct node_cpuid_s node_cpuid[NR_CPUS];
*/
extern u8 numa_slit[MAX_NUMNODES * MAX_NUMNODES];
#define node_distance(from,to) (numa_slit[(from) * num_online_nodes() + (to)])
#define node_distance(from,to) (numa_slit[(from) * MAX_NUMNODES + (to)])
extern int paddr_to_nid(unsigned long paddr);

3
arch/ia64/kernel/machine_kexec.c
View File

@ -85,12 +85,13 @@ static void ia64_machine_kexec(struct unw_frame_info *info, void *arg)
struct kimage *image = arg;
relocate_new_kernel_t rnk;
void *pal_addr = efi_get_pal_addr();
unsigned long code_addr = (unsigned long)page_address(image->control_code_page);
unsigned long code_addr;
int ii;
u64 fp, gp;
ia64_fptr_t *init_handler = (ia64_fptr_t *)ia64_os_init_on_kdump;
BUG_ON(!image);
code_addr = (unsigned long)page_address(image->control_code_page);
if (image->type == KEXEC_TYPE_CRASH) {
crash_save_this_cpu();
current->thread.ksp = (__u64)info->sw - 16;

4
arch/ia64/kernel/process.c
View File

@ -197,8 +197,8 @@ do_notify_resume_user(sigset_t *unused, struct sigscratch *scr, long in_syscall)
ia64_do_signal(scr, in_syscall);
}
if (test_thread_flag(TIF_NOTIFY_RESUME)) {
clear_thread_flag(TIF_NOTIFY_RESUME);
if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) {
local_irq_enable(); /* force interrupt enable */
tracehook_notify_resume(&scr->pt);
}

3
arch/ia64/xen/xencomm.c
View File

@ -17,6 +17,7 @@
*/
#include <linux/mm.h>
#include <linux/err.h>
static unsigned long kernel_virtual_offset;
static int is_xencomm_initialized;
@ -98,7 +99,7 @@ xencomm_vtop(unsigned long vaddr)
/* We assume the page is modified. */
page = follow_page(vma, vaddr, FOLL_WRITE | FOLL_TOUCH);
if (!page)
if (IS_ERR_OR_NULL(page))
return ~0UL;
return (page_to_pfn(page) << PAGE_SHIFT) | (vaddr & ~PAGE_MASK);