Commit 3a535141 authored by Reinette Chatre's avatar Reinette Chatre Committed by Dave Hansen
Browse files

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: default avatarJarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: default avatarReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: default avatarDave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: default avatarJarkko Sakkinen <jarkko@kernel.org>
Link: https://lkml.kernel.org/r/d51730acf54b6565710b2261b3099517b38c2ec4.1652137848.git.reinette.chatre@intel.com
parent 8cb7b502

arch/x86/kernel/cpu/sgx/encl.h

+2 −0
Original line number Diff line number Diff line
@@ -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 */

arch/x86/kernel/cpu/sgx/ioctl.c

+2 −2
Original line number Diff line number Diff line
@@ -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--;