Commit 6aaf05f4 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] topology: fix topology on z10 machines
  [S390] crypto: avoid MSA3 and MSA4 instructions in ESA mode
  [S390] avoid STCKF if running in ESA mode
  [S390] zfcpdump: Do not initialize zfcpdump in kdump mode
  [S390] ap: Setup processing for messages in request queue.
  [S390] Kconfig: Select CONFIG_KEXEC for CONFIG_CRASH_DUMP
  [S390] incorrect note program header
  [S390] pfault: ignore leftover completion interrupts
  [S390] fix pgste update logic
  [S390] wire up process_vm syscalls
parents ff0ff780 f6bf1a8a

arch/s390/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -572,6 +572,7 @@ config KEXEC 
config CRASH_DUMP

	bool "kernel crash dumps"

	depends on 64BIT

	select KEXEC

	help

	  Generate crash dump after being started by kexec.

	  Crash dump kernels are loaded in the main kernel with kexec-tools

arch/s390/crypto/crypt_s390.h

+5 −2
Original line number Diff line number Diff line
@@ -368,9 +368,12 @@ static inline int crypt_s390_func_available(int func, 


	if (facility_mask & CRYPT_S390_MSA && !test_facility(17))

		return 0;

	if (facility_mask & CRYPT_S390_MSA3 && !test_facility(76))



	if (facility_mask & CRYPT_S390_MSA3 &&

	    (!test_facility(2) || !test_facility(76)))

		return 0;

	if (facility_mask & CRYPT_S390_MSA4 && !test_facility(77))

	if (facility_mask & CRYPT_S390_MSA4 &&

	    (!test_facility(2) || !test_facility(77)))

		return 0;



	switch (func & CRYPT_S390_OP_MASK) {

arch/s390/include/asm/pgtable.h

+9 −3
Original line number Diff line number Diff line
@@ -593,6 +593,8 @@ static inline pgste_t pgste_update_all(pte_t *ptep, pgste_t pgste) 
	unsigned long address, bits;

	unsigned char skey;



	if (!pte_present(*ptep))

		return pgste;

	address = pte_val(*ptep) & PAGE_MASK;

	skey = page_get_storage_key(address);

	bits = skey & (_PAGE_CHANGED | _PAGE_REFERENCED);
@@ -625,6 +627,8 @@ static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste) 
#ifdef CONFIG_PGSTE

	int young;



	if (!pte_present(*ptep))

		return pgste;

	young = page_reset_referenced(pte_val(*ptep) & PAGE_MASK);

	/* Transfer page referenced bit to pte software bit (host view) */

	if (young || (pgste_val(pgste) & RCP_HR_BIT))
@@ -638,13 +642,15 @@ static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste) 


}



static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste)

static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste, pte_t entry)

{

#ifdef CONFIG_PGSTE

	unsigned long address;

	unsigned long okey, nkey;



	address = pte_val(*ptep) & PAGE_MASK;

	if (!pte_present(entry))

		return;

	address = pte_val(entry) & PAGE_MASK;

	okey = nkey = page_get_storage_key(address);

	nkey &= ~(_PAGE_ACC_BITS | _PAGE_FP_BIT);

	/* Set page access key and fetch protection bit from pgste */
@@ -712,7 +718,7 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, 


	if (mm_has_pgste(mm)) {

		pgste = pgste_get_lock(ptep);

		pgste_set_pte(ptep, pgste);

		pgste_set_pte(ptep, pgste, entry);

		*ptep = entry;

		pgste_set_unlock(ptep, pgste);

	} else

arch/s390/include/asm/setup.h

+3 −0
Original line number Diff line number Diff line
@@ -82,6 +82,7 @@ extern unsigned int user_mode; 
#define MACHINE_FLAG_LPAR	(1UL << 12)

#define MACHINE_FLAG_SPP	(1UL << 13)

#define MACHINE_FLAG_TOPOLOGY	(1UL << 14)

#define MACHINE_FLAG_STCKF	(1UL << 15)



#define MACHINE_IS_VM		(S390_lowcore.machine_flags & MACHINE_FLAG_VM)

#define MACHINE_IS_KVM		(S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
@@ -100,6 +101,7 @@ extern unsigned int user_mode; 
#define MACHINE_HAS_PFMF	(0)

#define MACHINE_HAS_SPP		(0)

#define MACHINE_HAS_TOPOLOGY	(0)

#define MACHINE_HAS_STCKF	(0)

#else /* __s390x__ */

#define MACHINE_HAS_IEEE	(1)

#define MACHINE_HAS_CSP		(1)
@@ -111,6 +113,7 @@ extern unsigned int user_mode; 
#define MACHINE_HAS_PFMF	(S390_lowcore.machine_flags & MACHINE_FLAG_PFMF)

#define MACHINE_HAS_SPP		(S390_lowcore.machine_flags & MACHINE_FLAG_SPP)

#define MACHINE_HAS_TOPOLOGY	(S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)

#define MACHINE_HAS_STCKF	(S390_lowcore.machine_flags & MACHINE_FLAG_STCKF)

#endif /* __s390x__ */



#define ZFCPDUMP_HSA_SIZE	(32UL<<20)

arch/s390/include/asm/timex.h

+1 −1
Original line number Diff line number Diff line
@@ -90,7 +90,7 @@ static inline unsigned long long get_clock_fast(void) 
{

	unsigned long long clk;



	if (test_facility(25))

	if (MACHINE_HAS_STCKF)

		asm volatile(".insn	s,0xb27c0000,%0" : "=Q" (clk) : : "cc");

	else

		clk = get_clock();

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