Commit 5ab97b7f authored by Alex Rozenman's avatar Alex Rozenman Committed by Anthony Liguori
Browse files

phys_page_find_alloc: Use correct initial region_offset. 



This fixes a common bug with initial region_offset value.
Usually, the pages are re-assigned afterwards, so the bug
has a very small effect on regular QEMU use flows.

Signed-off-by: default avatarAlex Rozenman <Alex_Rozenman@mentor.com>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent 885660bd

exec.c

+2 −1
Original line number Diff line number Diff line
@@ -418,6 +418,7 @@ static PhysPageDesc *phys_page_find_alloc(target_phys_addr_t index, int alloc) 
    pd = *lp;

    if (pd == NULL) {

        int i;

        int first_index = index & ~(L2_SIZE - 1);



        if (!alloc) {

            return NULL;
@@ -427,7 +428,7 @@ static PhysPageDesc *phys_page_find_alloc(target_phys_addr_t index, int alloc) 


        for (i = 0; i < L2_SIZE; i++) {

            pd[i].phys_offset = IO_MEM_UNASSIGNED;

            pd[i].region_offset = (index + i) << TARGET_PAGE_BITS;

            pd[i].region_offset = (first_index + i) << TARGET_PAGE_BITS;

        }

    }