From: Sean Christopherson <sean.j.christopherson@intel.com>
To: Cedric Xing <cedric.xing@intel.com>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
linux-sgx@vger.kernel.org, akpm@linux-foundation.org,
Hansen@linux.intel.com, Dave <dave.hansen@intel.com>,
Christopherson@linux.intel.com, nhorman@redhat.com,
npmccallum@redhat.com, Ayoun@linux.intel.com,
Serge <serge.ayoun@intel.com>,
Katz-zamir@linux.intel.com, Shay <shay.katz-zamir@intel.com>,
Huang@linux.intel.com, Haitao <haitao.huang@intel.com>,
andriy.shevchenko@linux.intel.com, tglx@linutronix.de,
Svahn@linux.intel.com, Kai <kai.svahn@intel.com>,
bp@alien8.de, josh@joshtriplett.org, luto@kernel.org,
Kai <kai.huang@intel.com>,
rientjes@google.com,
Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Subject: Re: [RFC PATCH v1 2/3] x86/vdso: Modify __vdso_sgx_enter_enclave() to allow parameter passing on untrusted stack
Date: Tue, 23 Apr 2019 12:26:54 -0700 [thread overview]
Message-ID: <20190423192654.GA12691@linux.intel.com> (raw)
In-Reply-To: <ba2a51568f3adaf74994d33ea3cbee570e20c6f6.1555965327.git.cedric.xing@intel.com>
On Mon, Apr 22, 2019 at 05:37:24PM -0700, Cedric Xing wrote:
> The previous __vdso_sgx_enter_enclave() requires enclaves to preserve %rsp,
> which prohibits enclaves from allocating and passing parameters for
> untrusted function calls (aka. o-calls).
>
> This patch addresses the problem above by introducing a new ABI that preserves
> %rbp instead of %rsp. Then __vdso_sgx_enter_enclave() can anchor its frame
> using %rbp so that enclaves are allowed to allocate space on the untrusted
> stack by decrementing %rsp. Please note that the stack space allocated in such
> way will be part of __vdso_sgx_enter_enclave()'s frame so will be freed after
> __vdso_sgx_enter_enclave() returns. Therefore, __vdso_sgx_enter_enclave() has
> been changed to take a callback function as an optional parameter, which if
> supplied, will be invoked upon enclave exits (both AEX (Asynchronous Enclave
> eXit) and normal exits), with the value of %rsp left
> off by the enclave as a parameter to the callback.
>
> Here's the summary of API/ABI changes in this patch. More details could be
> found in arch/x86/entry/vdso/vsgx_enter_enclave.S.
> * 'struct sgx_enclave_exception' is renamed to 'struct sgx_enclave_exinfo'
> because it is filled upon both AEX (i.e. exceptions) and normal enclave
> exits.
> * __vdso_sgx_enter_enclave() anchors its frame using %rbp (instead of %rsp in
> the previous implementation).
> * __vdso_sgx_enter_enclave() takes one more parameter - a callback function to
> be invoked upon enclave exits. This callback is optional, and if not
> supplied, will cause __vdso_sgx_enter_enclave() to return upon enclave exits
> (same behavior as previous implementation).
> * The callback function is given as a parameter the value of %rsp at enclave
> exit to address data "pushed" by the enclave. A positive value returned by
> the callback will be treated as an ENCLU leaf for re-entering the enclave,
> while a zero or negative value will be passed through as the return
> value of __vdso_sgx_enter_enclave() to its caller. It's also safe to
> leave callback by longjmp() or by throwing a C++ exception.
>
> Signed-off-by: Cedric Xing <cedric.xing@intel.com>
> ---
> arch/x86/entry/vdso/vsgx_enter_enclave.S | 156 ++++++++++++++---------
> arch/x86/include/uapi/asm/sgx.h | 14 +-
> 2 files changed, 100 insertions(+), 70 deletions(-)
>
> diff --git a/arch/x86/entry/vdso/vsgx_enter_enclave.S b/arch/x86/entry/vdso/vsgx_enter_enclave.S
> index fe0bf6671d6d..210f4366374a 100644
> --- a/arch/x86/entry/vdso/vsgx_enter_enclave.S
> +++ b/arch/x86/entry/vdso/vsgx_enter_enclave.S
> @@ -14,88 +14,118 @@
> .code64
> .section .text, "ax"
>
> -#ifdef SGX_KERNEL_DOC
This #ifdef and the pseudo-C code below has a functional purpose. From
the original commit:
Note, the C-like pseudocode describing the assembly routine is wrapped
in a non-existent macro instead of in a comment to trick kernel-doc into
auto-parsing the documentation and function prototype. This is a double
win as the pseudocode is intended to aid kernel developers, not userland
enclave developers.
We don't need full pseudocode, but a C-like prototype is necessary to get
the kernel-doc comment parsed correctly.
I'll try to look at the actual code later today.
> /**
> * __vdso_sgx_enter_enclave() - Enter an SGX enclave
> *
> * @leaf: **IN \%eax** - ENCLU leaf, must be EENTER or ERESUME
> - * @tcs: **IN \%rbx** - TCS, must be non-NULL
> - * @ex_info: **IN \%rcx** - Optional 'struct sgx_enclave_exception' pointer
> + * @tcs: **IN 0x08(\%rsp)** - TCS, must be non-NULL
> + * @ex_info: **IN 0x10(\%rsp)** - Optional 'struct sgx_enclave_exinfo'
> + * pointer
> + * @callback: **IN 0x18(\%rsp)** - Optional callback function to be called on
> + * enclave exit or exception
> *
> * Return:
> * **OUT \%eax** -
> - * %0 on a clean entry/exit to/from the enclave, %-EINVAL if ENCLU leaf is
> - * not allowed or if TCS is NULL, %-EFAULT if ENCLU or the enclave faults
> + * %0 on a clean entry/exit to/from the enclave, %-EINVAL if ENCLU leaf is not
> + * allowed, %-EFAULT if ENCLU or the enclave faults, or a non-positive value
> + * returned from ``callback`` (if one is supplied).
> *
> * **Important!** __vdso_sgx_enter_enclave() is **NOT** compliant with the
> - * x86-64 ABI, i.e. cannot be called from standard C code. As noted above,
> - * input parameters must be passed via ``%eax``, ``%rbx`` and ``%rcx``, with
> - * the return value passed via ``%eax``. All registers except ``%rsp`` must
> - * be treated as volatile from the caller's perspective, including but not
> - * limited to GPRs, EFLAGS.DF, MXCSR, FCW, etc... Conversely, the enclave
> - * being run **must** preserve the untrusted ``%rsp`` and stack.
> + * x86-64 ABI, i.e. cannot be called from standard C code. As noted above,
> + * input parameters must be passed via ``%eax``, ``8(%rsp)``, ``0x10(%rsp)`` and
> + * ``0x18(%rsp)``, with the return value passed via ``%eax``. All other registers
> + * will be passed through to the enclave as is. All registers except ``%rbp``
> + * must be treated as volatile from the caller's perspective, including but not
> + * limited to GPRs, EFLAGS.DF, MXCSR, FCW, etc... Conversely, the enclave being
> + * run **must** preserve the untrusted ``%rbp``.
> + *
> + * ``callback`` has the following signature:
> + * int callback(long rdi, long rsi, long rdx,
> + * struct sgx_enclave_exinfo *ex_info, long r8, long r9,
> + * void *tcs, long ursp);
> + * ``callback`` **shall** follow x86_64 ABI. All GPRs **except** ``%rax``, ``%rbx``
> + * and ``rcx`` are passed through to ``callback``. ``%rdi``, ``%rsi``, ``%rdx``,
> + * ``%r8``, ``%r9``, along with the value of ``%rsp`` when the enclave exited/excepted,
> + * can be accessed directly as input parameters, while other GPRs can be
> + * accessed in assembly if needed.
> + * A positive value returned from ``callback`` will be treated as an ENCLU leaf
> + * (e.g. EENTER/ERESUME) to reenter the enclave, while 0 or a negative return
> + * value will be passed back to the caller of __vdso_sgx_enter_enclave().
> + * It is also **safe** to ``longjmp()`` out of ``callback``.
> */
> -__vdso_sgx_enter_enclave(u32 leaf, void *tcs,
> - struct sgx_enclave_exception *ex_info)
> -{
> - if (leaf != SGX_EENTER && leaf != SGX_ERESUME)
> - return -EINVAL;
> -
> - if (!tcs)
> - return -EINVAL;
> -
> - try {
> - ENCLU[leaf];
> - } catch (exception) {
> - if (e)
> - *e = exception;
> - return -EFAULT;
> - }
> -
> - return 0;
> -}
> -#endif
next prev parent reply other threads:[~2019-04-23 19:31 UTC|newest]
Thread overview: 318+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-17 10:39 [PATCH v20 00/28] Intel SGX1 support Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 01/28] x86/cpufeatures: Add Intel-defined SGX feature bit Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 02/28] x86/cpufeatures: Add SGX sub-features (as Linux-defined bits) Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 03/28] x86/msr: Add IA32_FEATURE_CONTROL.SGX_ENABLE definition Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 04/28] x86/cpufeatures: Add Intel-defined SGX_LC feature bit Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 05/28] x86/msr: Add SGX Launch Control MSR definitions Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 06/28] x86/mm: x86/sgx: Add new 'PF_SGX' page fault error code bit Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 07/28] x86/mm: x86/sgx: Signal SIGSEGV for userspace #PFs w/ PF_SGX Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 08/28] x86/cpu/intel: Detect SGX support and update caps appropriately Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 09/28] x86/sgx: Add ENCLS architectural error codes Jarkko Sakkinen
2019-04-22 21:35 ` Sean Christopherson
2019-04-17 10:39 ` [PATCH v20 10/28] x86/sgx: Add SGX1 and SGX2 architectural data structures Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 11/28] x86/sgx: Add wrappers for ENCLS leaf functions Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 12/28] x86/sgx: Enumerate and track EPC sections Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 13/28] x86/sgx: Add functions to allocate and free EPC pages Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 14/28] x86/sgx: Add sgx_einit() for initializing enclaves Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 15/28] x86/sgx: Add the Linux SGX Enclave Driver Jarkko Sakkinen
2019-04-22 21:58 ` Sean Christopherson
2019-04-23 23:29 ` Jethro Beekman
2019-04-24 0:26 ` Sean Christopherson
2019-04-24 1:04 ` Jethro Beekman
2019-04-29 19:08 ` Sean Christopherson
2019-06-04 20:12 ` Sean Christopherson
2019-06-05 14:29 ` Jarkko Sakkinen
2019-06-05 14:52 ` Sean Christopherson
2019-06-05 21:25 ` Dr. Greg
2019-06-05 22:20 ` Sean Christopherson
2019-06-06 15:32 ` Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 16/28] x86/sgx: Add provisioning Jarkko Sakkinen
2019-04-19 3:06 ` Huang, Kai
2019-04-23 14:33 ` Jarkko Sakkinen
2019-04-24 1:34 ` Jethro Beekman
2019-05-02 8:27 ` Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 17/28] x86/sgx: Add swapping code to the core and SGX driver Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 18/28] x86/sgx: ptrace() support for the " Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 19/28] x86/vdso: Add support for exception fixup in vDSO functions Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 20/28] x86/fault: Add helper function to sanitize error code Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 21/28] x86/fault: Attempt to fixup unhandled #PF in vDSO before signaling Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 22/28] x86/traps: Attempt to fixup exceptions " Jarkko Sakkinen
2019-06-25 15:43 ` Jarkko Sakkinen
2019-06-27 20:32 ` Xing, Cedric
2019-07-11 15:54 ` Sean Christopherson
2019-07-11 22:12 ` Xing, Cedric
2019-07-11 15:56 ` Sean Christopherson
2019-07-11 17:52 ` Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 23/28] x86/vdso: Add __vdso_sgx_enter_enclave() to wrap SGX enclave transitions Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 24/28] selftests/x86: Add a selftest for SGX Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 25/28] x86/sgx: Update MAINTAINERS Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 26/28] docs: x86/sgx: Add Architecture documentation Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 27/28] docs: x86/sgx: Document kernel internals Jarkko Sakkinen
2019-04-17 10:39 ` [PATCH v20 28/28] docs: x86/sgx: Document the enclave API Jarkko Sakkinen
2019-04-18 17:10 ` [PATCH v20 00/28] Intel SGX1 support Dr. Greg
2019-04-18 17:24 ` Dave Hansen
2019-04-19 16:24 ` Dr. Greg
2019-04-19 16:39 ` Dave Hansen
2019-04-18 18:01 ` Dave Hansen
2019-04-19 14:17 ` Dr. Greg
2019-04-19 14:25 ` Dave Hansen
2019-04-19 15:27 ` Andy Lutomirski
2019-04-19 19:38 ` Jethro Beekman
2019-04-19 20:39 ` Thomas Gleixner
2019-04-19 20:46 ` Jethro Beekman
2019-04-19 20:50 ` Thomas Gleixner
2019-04-19 20:54 ` Jethro Beekman
2019-04-19 21:15 ` Andy Lutomirski
2019-04-19 21:19 ` Jethro Beekman
2019-04-19 21:31 ` Andy Lutomirski
2019-04-19 21:35 ` Jethro Beekman
2019-04-19 21:38 ` Thomas Gleixner
2019-04-19 21:56 ` Jethro Beekman
2019-04-20 5:42 ` Thomas Gleixner
2019-04-20 16:02 ` Dr. Greg
2019-04-22 15:01 ` Sean Christopherson
2019-04-22 16:24 ` Dr. Greg
2019-04-22 16:48 ` Sean Christopherson
2019-04-22 16:55 ` Linus Torvalds
2019-04-22 17:17 ` Sean Christopherson
2019-04-23 9:11 ` Dr. Greg
2019-04-22 16:26 ` Andy Lutomirski
2019-04-23 21:15 ` Jethro Beekman
2019-05-10 17:23 ` Xing, Cedric
2019-05-10 17:37 ` Jethro Beekman
2019-05-10 17:54 ` Dave Hansen
2019-05-10 18:04 ` Jethro Beekman
2019-05-10 18:56 ` Xing, Cedric
2019-05-10 19:04 ` Jethro Beekman
2019-05-10 19:22 ` Andy Lutomirski
2019-05-11 1:06 ` Xing, Cedric
2019-05-14 15:08 ` Andy Lutomirski
2019-05-15 8:31 ` Jarkko Sakkinen
[not found] ` <20190513102926.GD8743@linux.intel.com>
2019-05-14 10:43 ` Jarkko Sakkinen
2019-05-14 15:13 ` Andy Lutomirski
2019-05-14 20:45 ` Sean Christopherson
2019-05-14 21:27 ` Andy Lutomirski
2019-05-14 22:28 ` Xing, Cedric
2019-05-15 1:30 ` Sean Christopherson
2019-05-15 18:27 ` SGX vs LSM (Re: [PATCH v20 00/28] Intel SGX1 support) Andy Lutomirski
2019-05-15 19:58 ` James Morris
2019-05-15 20:35 ` Andy Lutomirski
2019-05-15 22:46 ` James Morris
2019-05-15 23:13 ` Andy Lutomirski
2019-05-16 3:03 ` Xing, Cedric
2019-05-16 4:40 ` Andy Lutomirski
2019-05-16 22:23 ` Xing, Cedric
2019-05-17 0:35 ` Andy Lutomirski
2019-05-17 1:06 ` Xing, Cedric
2019-05-17 1:21 ` Andy Lutomirski
2019-05-17 16:05 ` Sean Christopherson
2019-05-17 13:53 ` Stephen Smalley
2019-05-17 15:09 ` Sean Christopherson
2019-05-17 16:20 ` Stephen Smalley
2019-05-17 16:24 ` Andy Lutomirski
2019-05-17 16:37 ` Stephen Smalley
2019-05-17 17:12 ` Andy Lutomirski
2019-05-17 18:05 ` Stephen Smalley
2019-05-17 19:20 ` Stephen Smalley
2019-05-17 19:28 ` Sean Christopherson
2019-05-17 20:09 ` Stephen Smalley
2019-05-17 20:14 ` Andy Lutomirski
2019-05-17 20:34 ` Stephen Smalley
2019-05-17 21:36 ` Sean Christopherson
2019-05-17 17:29 ` Sean Christopherson
2019-05-17 17:42 ` Stephen Smalley
2019-05-17 17:50 ` Sean Christopherson
2019-05-17 18:16 ` Stephen Smalley
2019-05-17 17:43 ` Andy Lutomirski
2019-05-17 17:55 ` Sean Christopherson
2019-05-17 18:04 ` Linus Torvalds
2019-05-17 18:21 ` Sean Christopherson
2019-05-17 18:33 ` Linus Torvalds
2019-05-17 18:52 ` Sean Christopherson
2019-05-17 18:53 ` Andy Lutomirski
2019-05-16 7:24 ` James Morris
2019-05-16 21:00 ` Andy Lutomirski
2019-05-20 9:38 ` Dr. Greg
2019-05-15 21:38 ` Sean Christopherson
2019-05-16 1:19 ` Haitao Huang
2019-05-16 5:16 ` Jarkko Sakkinen
2019-05-16 21:02 ` Andy Lutomirski
2019-05-16 22:45 ` Sean Christopherson
2019-05-16 23:29 ` Xing, Cedric
2019-05-20 11:29 ` Jarkko Sakkinen
2019-05-20 11:33 ` Jarkko Sakkinen
2019-05-17 0:03 ` Sean Christopherson
2019-05-17 0:26 ` Andy Lutomirski
2019-05-17 15:41 ` Sean Christopherson
2019-05-20 11:42 ` Jarkko Sakkinen
2019-05-20 11:41 ` Jarkko Sakkinen
2019-05-21 15:19 ` Jarkko Sakkinen
2019-05-21 15:24 ` Jethro Beekman
2019-05-22 13:10 ` Jarkko Sakkinen
2019-05-21 15:51 ` Sean Christopherson
2019-05-22 13:20 ` Jarkko Sakkinen
2019-05-22 13:22 ` Jarkko Sakkinen
2019-05-22 13:56 ` Stephen Smalley
2019-05-22 15:38 ` Sean Christopherson
2019-05-22 22:42 ` Andy Lutomirski
2019-05-23 2:35 ` Sean Christopherson
2019-05-23 10:26 ` Jarkko Sakkinen
2019-05-23 14:17 ` Sean Christopherson
2019-05-23 15:38 ` Andy Lutomirski
2019-05-23 23:40 ` Sean Christopherson
2019-05-24 1:17 ` Andy Lutomirski
2019-05-24 7:24 ` Xing, Cedric
2019-05-24 15:41 ` Stephen Smalley
2019-05-24 16:57 ` Xing, Cedric
2019-05-24 17:42 ` Sean Christopherson
2019-05-24 17:54 ` Andy Lutomirski
2019-05-24 17:56 ` Sean Christopherson
2019-05-24 17:54 ` Sean Christopherson
2019-05-24 18:34 ` Xing, Cedric
2019-05-24 19:13 ` Sean Christopherson
2019-05-24 19:30 ` Andy Lutomirski
2019-05-24 20:42 ` Xing, Cedric
2019-05-24 21:11 ` Sean Christopherson
2019-05-24 19:37 ` Andy Lutomirski
2019-05-24 20:03 ` Sean Christopherson
2019-05-24 20:58 ` Xing, Cedric
2019-05-24 21:27 ` Andy Lutomirski
2019-05-24 22:41 ` Sean Christopherson
2019-05-24 23:42 ` Andy Lutomirski
2019-05-25 22:40 ` Xing, Cedric
2019-05-26 0:57 ` Andy Lutomirski
2019-05-26 6:09 ` Xing, Cedric
2019-05-28 20:24 ` Sean Christopherson
2019-05-28 20:48 ` Andy Lutomirski
2019-05-28 21:41 ` Sean Christopherson
2019-05-30 5:38 ` Xing, Cedric
2019-05-30 17:21 ` Sean Christopherson
2019-05-29 14:08 ` Stephen Smalley
2019-05-30 6:12 ` Xing, Cedric
2019-05-30 14:22 ` Stephen Smalley
2019-05-30 14:31 ` Andy Lutomirski
2019-05-30 15:04 ` Stephen Smalley
2019-05-30 16:14 ` Andy Lutomirski
2019-05-30 18:01 ` Sean Christopherson
2019-05-30 19:20 ` Andy Lutomirski
2019-05-30 21:16 ` Sean Christopherson
2019-05-30 21:23 ` Andy Lutomirski
2019-05-30 21:36 ` Sean Christopherson
2019-06-03 9:12 ` Dr. Greg
2019-06-03 21:08 ` Jarkko Sakkinen
2019-05-30 21:48 ` Xing, Cedric
2019-05-30 22:24 ` Sean Christopherson
2019-06-03 21:05 ` Jarkko Sakkinen
2019-06-03 20:54 ` Jarkko Sakkinen
2019-06-03 21:23 ` Sean Christopherson
2019-06-04 11:39 ` Jarkko Sakkinen
2019-06-03 21:37 ` Andy Lutomirski
2019-06-03 20:47 ` Jarkko Sakkinen
2019-06-03 20:43 ` Jarkko Sakkinen
2019-05-25 17:31 ` Dr. Greg
2019-05-24 16:43 ` Andy Lutomirski
2019-05-24 17:07 ` Sean Christopherson
2019-05-24 17:51 ` Andy Lutomirski
2019-05-24 14:44 ` Stephen Smalley
2019-05-27 13:48 ` Jarkko Sakkinen
2019-05-23 19:58 ` Sean Christopherson
2019-05-27 13:34 ` Jarkko Sakkinen
2019-05-27 13:38 ` Jarkko Sakkinen
2019-05-23 8:10 ` Jarkko Sakkinen
2019-05-23 8:23 ` Jarkko Sakkinen
2019-05-20 11:36 ` Jarkko Sakkinen
2019-05-15 10:35 ` [PATCH v20 00/28] Intel SGX1 support Jarkko Sakkinen
2019-05-15 11:00 ` Jarkko Sakkinen
2019-05-15 14:27 ` Andy Lutomirski
2019-05-16 5:07 ` Jarkko Sakkinen
2019-05-16 6:51 ` Jarkko Sakkinen
2019-05-16 7:02 ` Jarkko Sakkinen
2019-05-15 13:21 ` Sean Christopherson
2019-05-16 5:01 ` Jarkko Sakkinen
2019-05-15 8:49 ` Jarkko Sakkinen
2019-05-15 9:58 ` Jarkko Sakkinen
2019-05-14 14:33 ` Haitao Huang
2019-05-14 15:17 ` Andy Lutomirski
2019-05-14 15:30 ` Haitao Huang
2019-05-14 20:45 ` Andy Lutomirski
2019-05-14 21:08 ` Haitao Huang
2019-05-14 21:58 ` Xing, Cedric
2019-05-15 5:15 ` Haitao Huang
2019-05-10 18:44 ` Xing, Cedric
2019-04-19 21:34 ` Thomas Gleixner
2019-04-19 21:05 ` Jethro Beekman
2019-04-18 18:07 ` Andy Lutomirski
2019-04-22 20:42 ` [RFC PATCH v1 0/3] An alternative __vdso_sgx_enter_enclave() to allow enclave/host parameter passing using untrusted stack Cedric Xing
2019-04-22 22:05 ` Sean Christopherson
2019-04-23 0:37 ` Cedric Xing
2019-04-24 6:26 ` [RFC PATCH v2 " Cedric Xing
2019-07-10 11:17 ` Jarkko Sakkinen
2019-07-10 18:08 ` Xing, Cedric
2019-07-10 22:46 ` Jarkko Sakkinen
2019-07-10 22:54 ` Xing, Cedric
2019-07-11 9:36 ` Jarkko Sakkinen
2019-07-11 19:49 ` Xing, Cedric
2019-07-10 23:15 ` Jarkko Sakkinen
2019-07-10 23:37 ` Xing, Cedric
2019-07-11 9:38 ` Jarkko Sakkinen
2019-07-11 15:50 ` Sean Christopherson
2019-07-11 17:59 ` Jarkko Sakkinen
2019-07-11 19:51 ` Xing, Cedric
2019-07-11 4:21 ` [RFC PATCH v3 0/3] x86/sgx: Amend vDSO API to allow enclave/host parameter passing on " Cedric Xing
2019-07-12 3:28 ` Jarkko Sakkinen
2019-07-13 6:51 ` [RFC PATCH v4 " Cedric Xing
2019-07-13 6:51 ` [RFC PATCH v4 1/3] selftests/x86/sgx: Fix Makefile for SGX selftest Cedric Xing
2019-07-13 15:10 ` Jarkko Sakkinen
2019-07-13 15:15 ` Jarkko Sakkinen
2019-07-13 17:29 ` Xing, Cedric
2019-07-14 14:53 ` Jarkko Sakkinen
2019-07-13 6:51 ` [RFC PATCH v4 2/3] x86/vdso: Modify __vdso_sgx_enter_enclave() to allow parameter passing on untrusted stack Cedric Xing
2019-07-13 15:04 ` Jarkko Sakkinen
2019-07-13 15:06 ` Jarkko Sakkinen
2019-07-13 6:51 ` [RFC PATCH v4 3/3] selftests/x86/sgx: Augment SGX selftest to test vDSO API Cedric Xing
2019-07-13 15:21 ` Jarkko Sakkinen
2019-07-13 17:20 ` Xing, Cedric
2019-07-14 14:40 ` Jarkko Sakkinen
2019-07-14 14:47 ` Jarkko Sakkinen
2019-07-17 21:57 ` Xing, Cedric
2019-07-11 4:21 ` [RFC PATCH v3 1/3] selftests/x86: Fixed Makefile for SGX selftest Cedric Xing
2019-07-11 4:21 ` [RFC PATCH v3 2/3] x86/vdso: Modify __vdso_sgx_enter_enclave() to allow parameter passing on untrusted stack Cedric Xing
2019-07-11 9:50 ` Jarkko Sakkinen
2019-07-11 9:53 ` Jarkko Sakkinen
2019-07-11 15:42 ` Sean Christopherson
2019-07-11 17:55 ` Jarkko Sakkinen
2019-07-11 17:58 ` Sean Christopherson
2019-07-12 3:16 ` Jarkko Sakkinen
2019-07-13 7:00 ` Xing, Cedric
2019-07-11 4:21 ` [RFC PATCH v3 3/3] selftests/x86: Augment SGX selftest to test new __vdso_sgx_enter_enclave() and its callback interface Cedric Xing
2019-04-24 6:26 ` [RFC PATCH v2 1/3] selftests/x86: Fixed Makefile for SGX selftest Cedric Xing
2019-07-12 3:19 ` Jarkko Sakkinen
2019-07-13 6:58 ` Xing, Cedric
2019-04-24 6:26 ` [RFC PATCH v2 2/3] x86/vdso: Modify __vdso_sgx_enter_enclave() to allow parameter passing on untrusted stack Cedric Xing
2019-04-24 19:04 ` Sean Christopherson
2019-04-25 23:31 ` Xing, Cedric
2019-04-26 21:00 ` Sean Christopherson
2019-05-02 8:28 ` Jarkko Sakkinen
2019-04-24 6:26 ` [RFC PATCH v2 3/3] selftests/x86: Augment SGX selftest to test new __vdso_sgx_enter_enclave() and its callback interface Cedric Xing
2019-07-12 3:25 ` Jarkko Sakkinen
2019-07-13 7:03 ` Xing, Cedric
2019-04-22 20:42 ` [RFC PATCH v1 1/3] selftests/x86: Fixed Makefile for SGX selftest Cedric Xing
2019-04-23 0:37 ` Cedric Xing
2019-04-22 20:42 ` [RFC PATCH v1 2/3] x86/vdso: Modify __vdso_sgx_enter_enclave() to allow parameter passing on untrusted stack Cedric Xing
2019-04-22 22:26 ` Sean Christopherson
2019-04-23 0:37 ` Cedric Xing
2019-04-23 1:25 ` Andy Lutomirski
2019-04-24 17:56 ` Xing, Cedric
2019-04-23 19:26 ` Sean Christopherson [this message]
2019-04-23 19:44 ` Andy Lutomirski
2019-04-22 20:42 ` [RFC PATCH v1 3/3] selftests/x86: Augment SGX selftest to test new __vdso_sgx_enter_enclave() and its callback interface Cedric Xing
2019-04-23 0:37 ` Cedric Xing
2019-04-23 1:29 ` Andy Lutomirski
2019-04-23 1:48 ` Sean Christopherson
2019-04-23 18:59 ` Sean Christopherson
2019-04-23 19:07 ` Andy Lutomirski
2019-04-23 20:11 ` Sean Christopherson
2019-04-23 11:56 ` [PATCH v20 00/28] Intel SGX1 support Jarkko Sakkinen
2019-04-23 16:52 ` Andy Lutomirski
2019-04-24 12:17 ` Jarkko Sakkinen
2019-05-08 13:45 ` Jarkko Sakkinen
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