linux-kernel - Re: [PATCH v12 04/22] selftests/vm: typecast the pkey register

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]

Date:   Fri, 16 Mar 2018 14:58:16 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Ram Pai <linuxram@...ibm.com>, shuahkh@....samsung.com,
        linux-kselftest@...r.kernel.org
Cc:     mpe@...erman.id.au, linuxppc-dev@...ts.ozlabs.org,
        linux-mm@...ck.org, x86@...nel.org, linux-arch@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        mingo@...hat.com, akpm@...ux-foundation.org,
        benh@...nel.crashing.org, paulus@...ba.org,
        khandual@...ux.vnet.ibm.com, aneesh.kumar@...ux.vnet.ibm.com,
        bsingharora@...il.com, hbabu@...ibm.com, mhocko@...nel.org,
        bauerman@...ux.vnet.ibm.com, ebiederm@...ssion.com, arnd@...db.de
Subject: Re: [PATCH v12 04/22] selftests/vm: typecast the pkey register

On 02/21/2018 05:55 PM, Ram Pai wrote:
> -static inline unsigned int _rdpkey_reg(int line)
> +static inline pkey_reg_t _rdpkey_reg(int line)
>  {
> -	unsigned int pkey_reg = __rdpkey_reg();
> +	pkey_reg_t pkey_reg = __rdpkey_reg();
>  
> -	dprintf4("rdpkey_reg(line=%d) pkey_reg: %x shadow: %x\n",
> +	dprintf4("rdpkey_reg(line=%d) pkey_reg: %016lx shadow: %016lx\n",
>  			line, pkey_reg, shadow_pkey_reg);
>  	assert(pkey_reg == shadow_pkey_reg);

Hmm.  So we're using %lx for an int?  Doesn't the compiler complain
about this?