From: Kristen Carlson Accardi <kristen@linux.intel.com>
To: linux-sgx@vger.kernel.org, Jarkko Sakkinen <jarkko@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org,
Kristen Carlson Accardi <kristen@linux.intel.com>,
Sean Christopherson <seanjc@google.com>
Subject: [PATCH] x86/sgx: Drop 'page_index' from sgx_backing
Date: Fri, 8 Jul 2022 09:21:24 -0700 [thread overview]
Message-ID: <20220708162124.8442-1-kristen@linux.intel.com> (raw)
From: Sean Christopherson <sean.j.christopherson@intel.com>
Storing the 'page_index' value in the sgx_backing struct is
dead code and no longer needed.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Kristen Carlson Accardi <kristen@linux.intel.com>
Cc: Sean Christopherson <seanjc@google.com>
---
arch/x86/kernel/cpu/sgx/encl.c | 1 -
arch/x86/kernel/cpu/sgx/encl.h | 1 -
2 files changed, 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c
index 19876ebfb504..fa93586a536c 100644
--- a/arch/x86/kernel/cpu/sgx/encl.c
+++ b/arch/x86/kernel/cpu/sgx/encl.c
@@ -735,7 +735,6 @@ static int sgx_encl_get_backing(struct sgx_encl *encl, unsigned long page_index,
return PTR_ERR(pcmd);
}
- backing->page_index = page_index;
backing->contents = contents;
backing->pcmd = pcmd;
backing->pcmd_offset = page_pcmd_off & (PAGE_SIZE - 1);
diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h
index 332ef3568267..eeb1a53ddf48 100644
--- a/arch/x86/kernel/cpu/sgx/encl.h
+++ b/arch/x86/kernel/cpu/sgx/encl.h
@@ -78,7 +78,6 @@ struct sgx_va_page {
};
struct sgx_backing {
- pgoff_t page_index;
struct page *contents;
struct page *pcmd;
unsigned long pcmd_offset;
--
2.20.1
next reply other threads:[~2022-07-08 16:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-08 16:21 Kristen Carlson Accardi [this message]
2022-07-08 17:08 ` [tip: x86/sgx] x86/sgx: Drop 'page_index' from sgx_backing tip-bot2 for Sean Christopherson
2022-07-11 2:35 ` [PATCH] x86/sgx: Drop 'page_index' from sgx_backingf Jarkko Sakkinen
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