Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Martin Schwidefsky:
 "Bug fixes, small improvements and one notable change: the system call
  table and the unistd.h header are now generated automatically with a
  shell script from a text file"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/decompressor: discard __ksymtab and .eh_frame sections
  s390: fix handling of -1 in set{,fs}[gu]id16 syscalls
  s390/tools: generate header files in arch/s390/include/generated/
  s390/syscalls: use generated syscall_table.h and unistd.h header files
  s390/syscalls: add Makefile to generate system call header files
  s390/syscalls: add syscalltbl script
  s390/syscalls: add system call table
  s390/decompressor: swap .text and .rodata.compressed sections
  s390/sclp: fix .data section specification
  s390/ipl: avoid usage of __section(.data)
  s390/head: replace hard coded values with constants
  s390/disassembler: add generated gen_opcode_table tool to .gitignore
  s390: remove bogus system call table entries
  s390/kprobes: remove duplicate includes
  s390/dasd: Remove dead return code checks
  s390/dasd: Simplify code
  s390/vdso: revise CFI annotations of vDSO functions
  s390/kernel: emit CFI data in .debug_frame and discard .eh_frame sections
This commit is contained in:
Linus Torvalds
2018-02-01 09:31:04 -08:00
37 changed files with 856 additions and 863 deletions

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@@ -1,4 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
generated-y += dis-defs.h
generated-y += facility-defs.h
generated-y += syscall_table.h
generated-y += unistd_nr.h
generic-y += asm-offsets.h
generic-y += cacheflush.h
generic-y += clkdev.h

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@@ -9,7 +9,7 @@
#ifndef __ASM_S390_DIS_H__
#define __ASM_S390_DIS_H__
#include <generated/dis.h>
#include <asm/dis-defs.h>
static inline int insn_length(unsigned char code)
{

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@@ -0,0 +1,37 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_S390_DWARF_H
#define _ASM_S390_DWARF_H
#ifdef __ASSEMBLY__
#define CFI_STARTPROC .cfi_startproc
#define CFI_ENDPROC .cfi_endproc
#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset
#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset
#define CFI_RESTORE .cfi_restore
#ifdef CONFIG_AS_CFI_VAL_OFFSET
#define CFI_VAL_OFFSET .cfi_val_offset
#else
#define CFI_VAL_OFFSET #
#endif
#ifndef BUILD_VDSO
/*
* Emit CFI data in .debug_frame sections and not in .eh_frame
* sections. The .eh_frame CFI is used for runtime unwind
* information that is not being used. Hence, vmlinux.lds.S
* can discard the .eh_frame sections.
*/
.cfi_sections .debug_frame
#else
/*
* For vDSO, emit CFI data in both, .eh_frame and .debug_frame
* sections.
*/
.cfi_sections .eh_frame, .debug_frame
#endif
#endif /* __ASSEMBLY__ */
#endif /* _ASM_S390_DWARF_H */

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@@ -8,7 +8,7 @@
#ifndef __ASM_FACILITY_H
#define __ASM_FACILITY_H
#include <generated/facilities.h>
#include <asm/facility-defs.h>
#include <linux/string.h>
#include <linux/preempt.h>
#include <asm/lowcore.h>

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@@ -8,6 +8,7 @@
#define _ASM_S390_UNISTD_H_
#include <uapi/asm/unistd.h>
#include <asm/unistd_nr.h>
#define __IGNORE_time
#define __IGNORE_pkey_mprotect