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    Subject[PATCH V5 12/31] x86/sgx: Export sgx_encl_{grow,shrink}()
    Date
    In order to use sgx_encl_{grow,shrink}() in the page augmentation code
    located in encl.c, export these functions.

    Suggested-by: Jarkko Sakkinen <jarkko@kernel.org>
    Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
    Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
    ---
    No changes since V4.

    Changes since V3:
    - Add Jarkko's Reviewed-by tag.

    Changes since V2:
    - New patch.

    arch/x86/kernel/cpu/sgx/encl.h | 2 ++
    arch/x86/kernel/cpu/sgx/ioctl.c | 4 ++--
    2 files changed, 4 insertions(+), 2 deletions(-)

    diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h
    index 799d4cdb12d5..b6b53c0346ad 100644
    --- a/arch/x86/kernel/cpu/sgx/encl.h
    +++ b/arch/x86/kernel/cpu/sgx/encl.h
    @@ -120,5 +120,7 @@ bool sgx_va_page_full(struct sgx_va_page *va_page);
    void sgx_encl_free_epc_page(struct sgx_epc_page *page);
    struct sgx_encl_page *sgx_encl_load_page(struct sgx_encl *encl,
    unsigned long addr);
    +struct sgx_va_page *sgx_encl_grow(struct sgx_encl *encl);
    +void sgx_encl_shrink(struct sgx_encl *encl, struct sgx_va_page *va_page);

    #endif /* _X86_ENCL_H */
    diff --git a/arch/x86/kernel/cpu/sgx/ioctl.c b/arch/x86/kernel/cpu/sgx/ioctl.c
    index 21078c6643f7..2df27dd8b30d 100644
    --- a/arch/x86/kernel/cpu/sgx/ioctl.c
    +++ b/arch/x86/kernel/cpu/sgx/ioctl.c
    @@ -17,7 +17,7 @@
    #include "encl.h"
    #include "encls.h"

    -static struct sgx_va_page *sgx_encl_grow(struct sgx_encl *encl)
    +struct sgx_va_page *sgx_encl_grow(struct sgx_encl *encl)
    {
    struct sgx_va_page *va_page = NULL;
    void *err;
    @@ -43,7 +43,7 @@ static struct sgx_va_page *sgx_encl_grow(struct sgx_encl *encl)
    return va_page;
    }

    -static void sgx_encl_shrink(struct sgx_encl *encl, struct sgx_va_page *va_page)
    +void sgx_encl_shrink(struct sgx_encl *encl, struct sgx_va_page *va_page)
    {
    encl->page_cnt--;

    --
    2.25.1
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