linux-kernel - Re: [RFC V1 08/31] m68k/mm: Enable ARCH_HAS_VM_GET_PAGE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <87mtjl8bnl.fsf@igel.home>
Date:   Mon, 24 Jan 2022 15:13:18 +0100
From:   Andreas Schwab <schwab@...ux-m68k.org>
To:     Anshuman Khandual <anshuman.khandual@....com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        hch@...radead.org, akpm@...ux-foundation.org,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-m68k@...ts.linux-m68k.org
Subject: Re: [RFC V1 08/31] m68k/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT

On Jan 24 2022, Anshuman Khandual wrote:

> +pgprot_t vm_get_page_prot(unsigned long vm_flags)
> +{
> +	switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) {
> +	case VM_NONE:
> +		return __pgprot(pgprot_val(PAGE_NONE_C)|_PAGE_CACHE040);

_PAGE_CACHE040 should only be present when running on a 040 or 060.

-- 
Andreas Schwab, schwab@...ux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."