On 06/09/2011 05:01 PM, Takuya Yoshikawa wrote:
From: Takuya Yoshikawa<yoshikawa.takuya@xxxxxxxxxxxxx> Avoid two step jumps to the error handling part. This eliminates the use of the variables present and rsvd_fault. We also mark the variables write/user/fetch_fault with const to show these do not change in the function. These were suggested by Ingo Molnar. error: - walker->fault.vector = PF_VECTOR; - walker->fault.error_code_valid = true; - walker->fault.error_code = 0; - if (present) - walker->fault.error_code |= PFERR_PRESENT_MASK; - - walker->fault.error_code |= write_fault | user_fault; - + errcode |= write_fault | user_fault; if (fetch_fault&& mmu->nx) - walker->fault.error_code |= PFERR_FETCH_MASK; - if (rsvd_fault) - walker->fault.error_code |= PFERR_RSVD_MASK; + errcode |= PFERR_FETCH_MASK;
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