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Commit 0ecdb12a authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] cio: fix cio_tpi ignoring adapter interrupts
  [S390] gmap: always up mmap_sem properly
  [S390] Do not clobber personality flags on exec
parents 5fe858b5 a681887f

arch/s390/include/asm/elf.h

+2 −1
Original line number Diff line number Diff line
@@ -188,7 +188,8 @@ extern char elf_platform[]; 
#define SET_PERSONALITY(ex)					\

do {								\

	if (personality(current->personality) != PER_LINUX32)	\

		set_personality(PER_LINUX);			\

		set_personality(PER_LINUX |			\

			(current->personality & ~PER_MASK));	\

	if ((ex).e_ident[EI_CLASS] == ELFCLASS32)		\

		set_thread_flag(TIF_31BIT);			\

	else							\

arch/s390/mm/pgtable.c

+4 −3
Original line number Diff line number Diff line
@@ -303,15 +303,15 @@ int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len) 
		/* Walk the guest addr space page table */

		table = gmap->table + (((to + off) >> 53) & 0x7ff);

		if (*table & _REGION_ENTRY_INV)

			return 0;

			goto out;

		table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);

		table = table + (((to + off) >> 42) & 0x7ff);

		if (*table & _REGION_ENTRY_INV)

			return 0;

			goto out;

		table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);

		table = table + (((to + off) >> 31) & 0x7ff);

		if (*table & _REGION_ENTRY_INV)

			return 0;

			goto out;

		table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);

		table = table + (((to + off) >> 20) & 0x7ff);
@@ -319,6 +319,7 @@ int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len) 
		flush |= gmap_unlink_segment(gmap, table);

		*table = _SEGMENT_ENTRY_INV;

	}

out:

	up_read(&gmap->mm->mmap_sem);

	if (flush)

		gmap_flush_tlb(gmap);

drivers/s390/cio/cio.c

+6 −2
Original line number Diff line number Diff line
@@ -654,8 +654,8 @@ static struct io_subchannel_private console_priv; 
static int console_subchannel_in_use;



/*

 * Use tpi to get a pending interrupt, call the interrupt handler and

 * return a pointer to the subchannel structure.

 * Use cio_tpi to get a pending interrupt and call the interrupt handler.

 * Return non-zero if an interrupt was processed, zero otherwise.

 */

static int cio_tpi(void)

{
@@ -667,6 +667,10 @@ static int cio_tpi(void) 
	tpi_info = (struct tpi_info *)&S390_lowcore.subchannel_id;

	if (tpi(NULL) != 1)

		return 0;

	if (tpi_info->adapter_IO) {

		do_adapter_IO(tpi_info->isc);

		return 1;

	}

	irb = (struct irb *)&S390_lowcore.irb;

	/* Store interrupt response block to lowcore. */

	if (tsch(tpi_info->schid, irb) != 0)