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    SubjectRE: [Linux-c6x-dev] [PATCH 06/35] Disintegrate asm/system.h for C6X [ver #2]
    Date
    Mark,

    Are you sure about the #define _ASM_C6X_BARRIER_H in exec.h? _ASM_C6X_EXEC_H sounds better...

    Aurelien


    Texas Instruments France SA, 821 Avenue Jack Kilby, 06270 Villeneuve Loubet. 036 420 040 R.C.S Antibes. Capital de EUR 753.920

    -----Original Message-----
    From: linux-c6x-dev-bounces@linux-c6x.org [mailto:linux-c6x-dev-bounces@linux-c6x.org] On Behalf Of Mark Salter
    Sent: Wednesday, March 14, 2012 1:29 PM
    To: David Howells
    Cc: linux-arch@vger.kernel.org; linux-c6x-dev@linux-c6x.org; linux-kernel@vger.kernel.org; paul.gortmaker@windriver.com; hpa@zytor.com; torvalds@linux-foundation.org
    Subject: Re: [Linux-c6x-dev] [PATCH 06/35] Disintegrate asm/system.h for C6X [ver #2]

    On Mon, 2012-03-12 at 23:37 +0000, David Howells wrote:
    > Disintegrate asm/system.h for C6X. Not compiled. Appears to be missing
    > asm/atomic.h and asm/bug.h.
    >
    > Signed-off-by: David Howells <dhowells@redhat.com>
    > cc: linux-c6x-dev@linux-c6x.org
    > ---

    I needed the following to clean up build errors from this:

    diff --git a/arch/c6x/include/asm/bug.h b/arch/c6x/include/asm/bug.h
    index 3df21c0..8d59933 100644
    --- a/arch/c6x/include/asm/bug.h
    +++ b/arch/c6x/include/asm/bug.h
    @@ -11,11 +11,13 @@
    #ifndef _ASM_C6X_BUG_H
    #define _ASM_C6X_BUG_H

    +#include <linux/linkage.h>
    #include <asm-generic/bug.h>

    struct pt_regs;

    extern void die(char *str, struct pt_regs *fp, int nr);
    extern asmlinkage int process_exception(struct pt_regs *regs);
    +extern asmlinkage void enable_exception(void);

    #endif /* _ASM_C6X_BUG_H */
    diff --git a/arch/c6x/include/asm/exec.h b/arch/c6x/include/asm/exec.h
    new file mode 100644
    index 0000000..646b5b7
    --- /dev/null
    +++ b/arch/c6x/include/asm/exec.h
    @@ -0,0 +1,6 @@
    +#ifndef _ASM_C6X_BARRIER_H
    +#define _ASM_C6X_BARRIER_H
    +
    +#define arch_align_stack(x) (x)
    +
    +#endif
    diff --git a/arch/c6x/include/asm/special_insns.h b/arch/c6x/include/asm/special_insns.h
    index 3be40df..59672bc 100644
    --- a/arch/c6x/include/asm/special_insns.h
    +++ b/arch/c6x/include/asm/special_insns.h
    @@ -48,7 +48,6 @@
    /*
    * Exception management
    */
    -asmlinkage void enable_exception(void);
    #define disable_exception()
    #define get_except_type() get_creg(EFR)
    #define ack_exception(type) set_creg(ECR, 1 << (type))
    diff --git a/arch/c6x/include/asm/switch_to.h b/arch/c6x/include/asm/switch_to.h
    index 83bb5a4..af6c71f 100644
    --- a/arch/c6x/include/asm/switch_to.h
    +++ b/arch/c6x/include/asm/switch_to.h
    @@ -11,6 +11,8 @@
    #ifndef _ASM_C6X_SWITCH_TO_H
    #define _ASM_C6X_SWITCH_TO_H

    +#include <linux/linkage.h>
    +
    #define prepare_to_switch() do { } while (0)

    struct task_struct;

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