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x86/sgx: Export sgx_encl_{grow,shrink}() 

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>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lkml.kernel.org/r/d51730acf54b6565710b2261b3099517b38c2ec4.1652137848.git.reinette.chatre@intel.com
This commit is contained in:
Reinette Chatre 2022-05-10 11:08:48 -07:00 committed by Dave Hansen
parent 8cb7b502f3
commit 3a53514152
2 changed files with 4 additions and 2 deletions
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2
arch/x86/kernel/cpu/sgx/encl.h
View File

@ -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 */

4
arch/x86/kernel/cpu/sgx/ioctl.c
View File

@ -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--;