On 11/29/2016 10:55 AM, Laura Abbott wrote: > __pa_symbol is technically the marco that should be used for kernel > symbols. Switch to this as a pre-requisite for DEBUG_VIRTUAL which > will do bounds checking. As part of this, introduce lm_alias, a > macro which wraps the __va(__pa(...)) idiom used a few places to > get the alias. > > Signed-off-by: Laura Abbott <[email protected]> > --- > v4: Stop calling __va early, conversion of a few more sites. I decided against > wrapping the __p*d_populate calls into new functions since the call sites > should be limited. > ---
> - pud_populate(&init_mm, pud, bm_pmd); > + if (pud_none(*pud)) > + __pud_populate(pud, __pa_symbol(bm_pmd), PMD_TYPE_TABLE); > pmd = fixmap_pmd(addr); > - pmd_populate_kernel(&init_mm, pmd, bm_pte); > + __pmd_populate(pmd, __pa_symbol(bm_pte), PMD_TYPE_TABLE); Is there a particular reason why pmd_populate_kernel() is not changed to use __pa_symbol() instead of using __pa()? The other users in the arm64 kernel is arch/arm64/kernel/hibernate.c which seems to call this against kernel symbols as well? -- Florian
