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C6X fixes for v3.7 

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Merge tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming

Pull C6X fixes from Mark Salter.

* tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
  c6x: use generic kvm_para.h
  c6x: remove internal kernel symbols from exported setup.h
  c6x: fix misleading comment
  c6x: run do_notify_resume with interrupts enabled
This commit is contained in:
Linus Torvalds 2012-11-30 16:59:50 -08:00
parent 31e06a42a3 93bbd0c087
commit 8fdd78eeb1
5 changed files with 41 additions and 33 deletions
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33
arch/c6x/include/asm/setup.h Normal file
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@ -0,0 +1,33 @@
/*
* Port on Texas Instruments TMS320C6x architecture
*
* Copyright (C) 2004, 2009, 2010 2011 Texas Instruments Incorporated
* Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _ASM_C6X_SETUP_H
#define _ASM_C6X_SETUP_H
#include <uapi/asm/setup.h>
#ifndef __ASSEMBLY__
extern char c6x_command_line[COMMAND_LINE_SIZE];
extern int c6x_add_memory(phys_addr_t start, unsigned long size);
extern unsigned long ram_start;
extern unsigned long ram_end;
extern int c6x_num_cores;
extern unsigned int c6x_silicon_rev;
extern unsigned int c6x_devstat;
extern unsigned char c6x_fuse_mac[6];
extern void machine_init(unsigned long dt_ptr);
extern void time_init(void);
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_C6X_SETUP_H */

2
arch/c6x/include/uapi/asm/Kbuild
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@ -1,6 +1,8 @@
# UAPI Header export list
include include/uapi/asm-generic/Kbuild.asm
generic-y += kvm_para.h
header-y += byteorder.h
header-y += kvm_para.h
header-y += ptrace.h

1
arch/c6x/include/uapi/asm/kvm_para.h
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@ -1 +0,0 @@
#include <asm-generic/kvm_para.h>

33
arch/c6x/include/uapi/asm/setup.h
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@ -1,33 +1,6 @@
/*
* Port on Texas Instruments TMS320C6x architecture
*
* Copyright (C) 2004, 2009, 2010 2011 Texas Instruments Incorporated
* Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _ASM_C6X_SETUP_H
#define _ASM_C6X_SETUP_H
#ifndef _UAPI_ASM_C6X_SETUP_H
#define _UAPI_ASM_C6X_SETUP_H
#define COMMAND_LINE_SIZE 1024
#ifndef __ASSEMBLY__
extern char c6x_command_line[COMMAND_LINE_SIZE];
extern int c6x_add_memory(phys_addr_t start, unsigned long size);
extern unsigned long ram_start;
extern unsigned long ram_end;
extern int c6x_num_cores;
extern unsigned int c6x_silicon_rev;
extern unsigned int c6x_devstat;
extern unsigned char c6x_fuse_mac[6];
extern void machine_init(unsigned long dt_ptr);
extern void time_init(void);
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_C6X_SETUP_H */
#endif /* _UAPI_ASM_C6X_SETUP_H */

5
arch/c6x/kernel/entry.S
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@ -277,6 +277,8 @@ work_rescheduled:
[A1] BNOP .S1 work_resched,5
work_notifysig:
;; enable interrupts for do_notify_resume()
UNMASK_INT B2
B .S2 do_notify_resume
LDW .D2T1 *+SP(REGS__END+8),A6 ; syscall flag
ADDKPC .S2 resume_userspace,B3,1
@ -427,8 +429,7 @@ ENTRY(ret_from_kernel_execve)
ENDPROC(ret_from_kernel_execve)
;;
;; These are the interrupt handlers, responsible for calling __do_IRQ()
;; int6 is used for syscalls (see _system_call entry)
;; These are the interrupt handlers, responsible for calling c6x_do_IRQ()
;;
.macro SAVE_ALL_INT
SAVE_ALL IRP,ITSR