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865a9432d1
In htab_convert_pte_flags(), _PAGE_CACHE_CTL is used to check for the _PAGE_SAO flag: else if ((pteflags & _PAGE_CACHE_CTL) == _PAGE_SAO) rflags |= (HPTE_R_W | HPTE_R_I | HPTE_R_M); But, it isn't defined to include that flag: #define _PAGE_CACHE_CTL (_PAGE_NON_IDEMPOTENT | _PAGE_TOLERANT) This happens to work, but only because of the flag values: #define _PAGE_SAO 0x00010 /* Strong access order */ #define _PAGE_NON_IDEMPOTENT 0x00020 /* non idempotent memory */ #define _PAGE_TOLERANT 0x00030 /* tolerant memory, cache inhibited */ To prevent any issues if these particulars ever change, add _PAGE_SAO to the mask. Suggested-by: Charles Johns <crjohns@us.ibm.com> Signed-off-by: Reza Arbab <arbab@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> |
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uapi/asm |