linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Reinette Chatre <reinette.chatre@intel.com>
To: dave.hansen@linux.intel.com, jarkko@kernel.org,
	tglx@linutronix.de, bp@alien8.de, luto@kernel.org,
	mingo@redhat.com, linux-sgx@vger.kernel.org, x86@kernel.org,
	shuah@kernel.org, linux-kselftest@vger.kernel.org
Cc: seanjc@google.com, kai.huang@intel.com, cathy.zhang@intel.com,
	cedric.xing@intel.com, haitao.huang@intel.com,
	mark.shanahan@intel.com, vijay.dhanraj@intel.com, hpa@zytor.com,
	linux-kernel@vger.kernel.org
Subject: [PATCH V5 12/31] x86/sgx: Export sgx_encl_{grow,shrink}()
Date: Tue, 10 May 2022 11:08:48 -0700	[thread overview]
Message-ID: <d51730acf54b6565710b2261b3099517b38c2ec4.1652137848.git.reinette.chatre@intel.com> (raw)
In-Reply-To: <cover.1652137848.git.reinette.chatre@intel.com>

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


  parent reply	other threads:[~2022-05-10 18:10 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-10 18:08 [PATCH V5 00/31] x86/sgx and selftests/sgx: Support SGX2 Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 01/31] x86/sgx: Add short descriptions to ENCLS wrappers Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 02/31] x86/sgx: Add wrapper for SGX2 EMODPR function Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 03/31] x86/sgx: Add wrapper for SGX2 EMODT function Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 04/31] x86/sgx: Add wrapper for SGX2 EAUG function Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 05/31] x86/sgx: Support loading enclave page without VMA permissions check Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 06/31] x86/sgx: Export sgx_encl_ewb_cpumask() Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 07/31] x86/sgx: Rename sgx_encl_ewb_cpumask() as sgx_encl_cpumask() Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 08/31] x86/sgx: Move PTE zap code to new sgx_zap_enclave_ptes() Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 09/31] x86/sgx: Make sgx_ipi_cb() available internally Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 10/31] x86/sgx: Create utility to validate user provided offset and length Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 11/31] x86/sgx: Keep record of SGX page type Reinette Chatre
2022-05-10 18:08 ` Reinette Chatre [this message]
2022-05-10 18:08 ` [PATCH V5 13/31] x86/sgx: Export sgx_encl_page_alloc() Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 14/31] x86/sgx: Support VA page allocation without reclaiming Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 15/31] x86/sgx: Support restricting of enclave page permissions Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 16/31] x86/sgx: Support adding of pages to an initialized enclave Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 17/31] x86/sgx: Tighten accessible memory range after enclave initialization Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 18/31] x86/sgx: Support modifying SGX page type Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 19/31] x86/sgx: Support complete page removal Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 20/31] x86/sgx: Free up EPC pages directly to support large page ranges Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 21/31] Documentation/x86: Introduce enclave runtime management section Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 22/31] selftests/sgx: Add test for EPCM permission changes Reinette Chatre
2022-05-10 18:08 ` [PATCH V5 23/31] selftests/sgx: Add test for TCS page " Reinette Chatre
2022-05-10 18:09 ` [PATCH V5 24/31] selftests/sgx: Test two different SGX2 EAUG flows Reinette Chatre
2022-05-10 18:09 ` [PATCH V5 25/31] selftests/sgx: Introduce dynamic entry point Reinette Chatre
2022-05-10 18:09 ` [PATCH V5 26/31] selftests/sgx: Introduce TCS initialization enclave operation Reinette Chatre
2022-05-10 18:09 ` [PATCH V5 27/31] selftests/sgx: Test complete changing of page type flow Reinette Chatre
2022-05-10 18:09 ` [PATCH V5 28/31] selftests/sgx: Test faulty enclave behavior Reinette Chatre
2022-05-10 18:09 ` [PATCH V5 29/31] selftests/sgx: Test invalid access to removed enclave page Reinette Chatre
2022-05-10 18:09 ` [PATCH V5 30/31] selftests/sgx: Test reclaiming of untouched page Reinette Chatre
2022-05-10 18:09 ` [PATCH V5 31/31] selftests/sgx: Page removal stress test Reinette Chatre
2022-05-10 22:22 ` [PATCH V5 00/31] x86/sgx and selftests/sgx: Support SGX2 Jarkko Sakkinen
2022-05-11 18:47   ` Reinette Chatre
2022-05-12 18:11     ` Jarkko Sakkinen
2022-06-01  2:01 ` Jarkko Sakkinen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=d51730acf54b6565710b2261b3099517b38c2ec4.1652137848.git.reinette.chatre@intel.com \
    --to=reinette.chatre@intel.com \
    --cc=bp@alien8.de \
    --cc=cathy.zhang@intel.com \
    --cc=cedric.xing@intel.com \
    --cc=dave.hansen@linux.intel.com \
    --cc=haitao.huang@intel.com \
    --cc=hpa@zytor.com \
    --cc=jarkko@kernel.org \
    --cc=kai.huang@intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-kselftest@vger.kernel.org \
    --cc=linux-sgx@vger.kernel.org \
    --cc=luto@kernel.org \
    --cc=mark.shanahan@intel.com \
    --cc=mingo@redhat.com \
    --cc=seanjc@google.com \
    --cc=shuah@kernel.org \
    --cc=tglx@linutronix.de \
    --cc=vijay.dhanraj@intel.com \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).