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Subject: [tip: x86/sgx] selftests/sgx: Remove redundant enclave base address
save/restore
Cc: Jo Van Bulck <jo.vanbulck@cs.kuleuven.be>,
Dave Hansen <dave.hansen@linux.intel.com>,
Jarkko Sakkinen <jarkko@kernel.org>,
Kai Huang <kai.huang@intel.com>, x86@kernel.org,
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[tip:,x86/sgx] selftests/sgx: Remove redundant enclave base address save/restore
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Commit Message
tip-bot2 for Thomas Gleixner
Dec. 8, 2023, 6:13 p.m. UTC
The following commit has been merged into the x86/sgx branch of tip: Commit-ID: 4f812df8f37463767c2a74c2bd77de94acdb2be6 Gitweb: https://git.kernel.org/tip/4f812df8f37463767c2a74c2bd77de94acdb2be6 Author: Jo Van Bulck <jo.vanbulck@cs.kuleuven.be> AuthorDate: Thu, 05 Oct 2023 17:38:47 +02:00 Committer: Dave Hansen <dave.hansen@linux.intel.com> CommitterDate: Fri, 08 Dec 2023 10:05:27 -08:00 selftests/sgx: Remove redundant enclave base address save/restore Remove redundant push/pop pair that stores and restores the enclave base address in the test enclave, as it is never used after the pop and can anyway be easily retrieved via the __encl_base symbol. Signed-off-by: Jo Van Bulck <jo.vanbulck@cs.kuleuven.be> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Acked-by: Kai Huang <kai.huang@intel.com> Link: https://lore.kernel.org/all/20231005153854.25566-7-jo.vanbulck%40cs.kuleuven.be --- tools/testing/selftests/sgx/test_encl_bootstrap.S | 3 --- 1 file changed, 3 deletions(-)
diff --git a/tools/testing/selftests/sgx/test_encl_bootstrap.S b/tools/testing/selftests/sgx/test_encl_bootstrap.S index 03ae0f5..e0ce993 100644 --- a/tools/testing/selftests/sgx/test_encl_bootstrap.S +++ b/tools/testing/selftests/sgx/test_encl_bootstrap.S @@ -55,12 +55,9 @@ encl_entry_core: push %rax push %rcx # push the address after EENTER - push %rbx # push the enclave base address call encl_body - pop %rbx # pop the enclave base address - /* Clear volatile GPRs, except RAX (EEXIT function). */ xor %rcx, %rcx xor %rdx, %rdx