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x86/sgx: Drop 'page_index' from sgx_backing

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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>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lkml.kernel.org/r/20220708162124.8442-1-kristen@linux.intel.com
This commit is contained in:
Sean Christopherson 2022-07-08 09:21:24 -07:00 committed by Dave Hansen
parent 6507cce561
commit e0a5915f1c
2 changed files with 0 additions and 2 deletions
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1
arch/x86/kernel/cpu/sgx/encl.c
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@ -943,7 +943,6 @@ 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);

1
arch/x86/kernel/cpu/sgx/encl.h
View File

@ -79,7 +79,6 @@ struct sgx_va_page {
};
struct sgx_backing {
pgoff_t page_index;
struct page *contents;
struct page *pcmd;
unsigned long pcmd_offset;