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    Subject[PATCH 4/7] x86, xsave: make init_xstate_buf static
    Date
    The pointer is only used in xsave.c. Making it static.

    Signed-off-by: Robert Richter <robert.richter@amd.com>
    ---
    arch/x86/include/asm/xsave.h | 1 -
    arch/x86/kernel/xsave.c | 10 +++++-----
    2 files changed, 5 insertions(+), 6 deletions(-)

    diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
    index d1b5f3a..0ae6b99 100644
    --- a/arch/x86/include/asm/xsave.h
    +++ b/arch/x86/include/asm/xsave.h
    @@ -27,7 +27,6 @@

    extern unsigned int xstate_size;
    extern u64 pcntxt_mask;
    -extern struct xsave_struct *init_xstate_buf;
    extern u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS];

    extern void xsave_init(void);
    diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
    index 5adb7fb..3b44a9b 100644
    --- a/arch/x86/kernel/xsave.c
    +++ b/arch/x86/kernel/xsave.c
    @@ -16,6 +16,11 @@
    */
    u64 pcntxt_mask;

    +/*
    + * Represents init state for the supported extended state.
    + */
    +static struct xsave_struct *init_xstate_buf;
    +
    struct _fpx_sw_bytes fx_sw_reserved;
    #ifdef CONFIG_IA32_EMULATION
    struct _fpx_sw_bytes fx_sw_reserved_ia32;
    @@ -348,11 +353,6 @@ static void prepare_fx_sw_frame(void)
    #endif
    }

    -/*
    - * Represents init state for the supported extended state.
    - */
    -struct xsave_struct *init_xstate_buf;
    -
    #ifdef CONFIG_X86_64
    unsigned int sig_xstate_size = sizeof(struct _fpstate);
    #endif
    --
    1.7.1.1



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