Commit 9fe3b64b authored by Linus Torvalds's avatar Linus Torvalds
Browse files

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

* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
  [S390] qeth: avoid use of include/asm-s390
  [S390] dont use kthread for smp_rescan_cpus().
  [S390] virtio console: fix section mismatch warning.
  [S390] cio: Include linux/string.h in schid.h.
  [S390] qdio: fix section mismatch bug.
  [S390] stp: fix section mismatch warning.
  [S390] Remove diag 0x260 call from memory detection.
  [S390] qdio: make sure qdr is aligned to page size
  [S390] Add support for memory hot-remove.
  [S390] Wire up new syscalls.
  [S390] cio: Memory allocation for idset changed.
  [S390] qeth: preallocated qeth header for hiper socket
  [S390] Optimize storage key operations for anon pages
  [S390] nohz/sclp: disable timer on synchronous waits.
  [S390] ipl: Reboot from alternate device does not work when booting from file
  [S390] dasd: Add support for enhanced VM UID
  [S390] Remove last P390 trace.
parents 8b6d8c59 ab4227cb

arch/s390/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -317,6 +317,9 @@ config ARCH_ENABLE_MEMORY_HOTPLUG 
	def_bool y

	depends on SPARSEMEM



config ARCH_ENABLE_MEMORY_HOTREMOVE

	def_bool y



source "mm/Kconfig"



comment "I/O subsystem configuration"

arch/s390/kernel/compat_wrapper.S

+37 −0
Original line number Diff line number Diff line
@@ -1732,3 +1732,40 @@ compat_sys_timerfd_gettime_wrapper: 
	lgfr	%r2,%r2			# int

	llgtr	%r3,%r3			# struct compat_itimerspec *

	jg	compat_sys_timerfd_gettime



	.globl compat_sys_signalfd4_wrapper

compat_sys_signalfd4_wrapper:

	lgfr	%r2,%r2			# int

	llgtr	%r3,%r3			# compat_sigset_t *

	llgfr	%r4,%r4			# compat_size_t

	lgfr	%r5,%r5			# int

	jg	compat_sys_signalfd4



	.globl sys_eventfd2_wrapper

sys_eventfd2_wrapper:

	llgfr	%r2,%r2			# unsigned int

	lgfr	%r3,%r3			# int

	jg	sys_eventfd2



	.globl	sys_inotify_init1_wrapper

sys_inotify_init1_wrapper:

	lgfr	%r2,%r2			# int

	jg	sys_inotify_init1



	.globl	sys_pipe2_wrapper

sys_pipe2_wrapper:

	llgtr	%r2,%r2			# u32 *

	lgfr	%r3,%r3			# int

	jg	sys_pipe2		# branch to system call



	.globl	sys_dup3_wrapper

sys_dup3_wrapper:

	llgfr	%r2,%r2			# unsigned int

	llgfr	%r3,%r3			# unsigned int

	lgfr	%r4,%r4			# int

	jg	sys_dup3		# branch to system call



	.globl	sys_epoll_create1_wrapper

sys_epoll_create1_wrapper:

	lgfr	%r2,%r2			# int

	jg	sys_epoll_create1	# branch to system call

arch/s390/kernel/ipl.c

+4 −1
Original line number Diff line number Diff line
@@ -1705,7 +1705,10 @@ void __init setup_ipl(void) 


void __init ipl_update_parameters(void)

{

	if (diag308(DIAG308_STORE, &ipl_block) == DIAG308_RC_OK)

	int rc;



	rc = diag308(DIAG308_STORE, &ipl_block);

	if ((rc == DIAG308_RC_OK) || (rc == DIAG308_RC_NOCONFIG))

		diag308_set_works = 1;

}

arch/s390/kernel/mem_detect.c

+0 −23
Original line number Diff line number Diff line
@@ -9,27 +9,6 @@ 
#include <asm/sclp.h>

#include <asm/setup.h>



static int memory_fast_detect(struct mem_chunk *chunk)

{

	unsigned long val0 = 0;

	unsigned long val1 = 0xc;

	int rc = -EOPNOTSUPP;



	if (ipl_flags & IPL_NSS_VALID)

		return -EOPNOTSUPP;

	asm volatile(

		"	diag	%1,%2,0x260\n"

		"0:	lhi	%0,0\n"

		"1:\n"

		EX_TABLE(0b,1b)

		: "+d" (rc), "+d" (val0), "+d" (val1) : : "cc");



	if (rc || val0 != val1)

		return -EOPNOTSUPP;

	chunk->size = val0 + 1;

	return 0;

}



static inline int tprot(unsigned long addr)

{

	int rc = -EFAULT;
@@ -84,8 +63,6 @@ void detect_memory_layout(struct mem_chunk chunk[]) 
	unsigned long flags, cr0;



	memset(chunk, 0, MEMORY_CHUNKS * sizeof(struct mem_chunk));

	if (memory_fast_detect(&chunk[0]) == 0)

		return;

	/* Disable IRQs, DAT and low address protection so tprot does the

	 * right thing and we don't get scheduled away with low address

	 * protection disabled.

arch/s390/kernel/syscalls.S

+6 −0
Original line number Diff line number Diff line
@@ -330,3 +330,9 @@ SYSCALL(sys_eventfd,sys_eventfd,sys_eventfd_wrapper) 
SYSCALL(sys_timerfd_create,sys_timerfd_create,sys_timerfd_create_wrapper)

SYSCALL(sys_timerfd_settime,sys_timerfd_settime,compat_sys_timerfd_settime_wrapper) /* 320 */

SYSCALL(sys_timerfd_gettime,sys_timerfd_gettime,compat_sys_timerfd_gettime_wrapper)

SYSCALL(sys_signalfd4,sys_signalfd4,compat_sys_signalfd4_wrapper)

SYSCALL(sys_eventfd2,sys_eventfd2,sys_eventfd2_wrapper)

SYSCALL(sys_inotify_init1,sys_inotify_init1,sys_inotify_init1_wrapper)

SYSCALL(sys_pipe2,sys_pipe2,sys_pipe2_wrapper) /* 325 */

SYSCALL(sys_dup3,sys_dup3,sys_dup3_wrapper)

SYSCALL(sys_epoll_create1,sys_epoll_create1,sys_epoll_create1_wrapper)

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