diff --git a/arch/powerpc/mm/nohash/fsl_book3e.c b/arch/powerpc/mm/nohash/fsl_book3e.c index 375b2b8238c1..c1bc11f46344 100644 --- a/arch/powerpc/mm/nohash/fsl_book3e.c +++ b/arch/powerpc/mm/nohash/fsl_book3e.c @@ -171,15 +171,34 @@ static unsigned long map_mem_in_cams_addr(phys_addr_t phys, unsigned long virt, { int i; unsigned long amount_mapped = 0; + unsigned long boundary; + + if (strict_kernel_rwx_enabled()) + boundary = (unsigned long)(_sinittext - _stext); + else + boundary = ram; /* Calculate CAM values */ - for (i = 0; ram && i < max_cam_idx; i++) { + for (i = 0; boundary && i < max_cam_idx; i++) { unsigned long cam_sz; + pgprot_t prot = PAGE_KERNEL_X; + + cam_sz = calc_cam_sz(boundary, virt, phys); + if (!dryrun) + settlbcam(i, virt, phys, cam_sz, pgprot_val(prot), 0); + + boundary -= cam_sz; + amount_mapped += cam_sz; + virt += cam_sz; + phys += cam_sz; + } + for (ram -= amount_mapped; ram && i < max_cam_idx; i++) { + unsigned long cam_sz; + pgprot_t prot = PAGE_KERNEL_X; cam_sz = calc_cam_sz(ram, virt, phys); if (!dryrun) - settlbcam(i, virt, phys, cam_sz, - pgprot_val(PAGE_KERNEL_X), 0); + settlbcam(i, virt, phys, cam_sz, pgprot_val(prot), 0); ram -= cam_sz; amount_mapped += cam_sz;