linux-kernel - Re: [PATCH V7 14/18] memremap_pages: Add memremap.pks_fault

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Date:   Wed, 11 Aug 2021 19:01:28 +0000
From:   "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
To:     "Williams, Dan J" <dan.j.williams@...el.com>,
        "Weiny, Ira" <ira.weiny@...el.com>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "nvdimm@...ts.linux.dev" <nvdimm@...ts.linux.dev>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "Yu, Fenghua" <fenghua.yu@...el.com>,
        "x86@...nel.org" <x86@...nel.org>, "hpa@...or.com" <hpa@...or.com>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "Lutomirski, Andy" <luto@...nel.org>, "bp@...en8.de" <bp@...en8.de>
Subject: Re: [PATCH V7 14/18] memremap_pages: Add memremap.pks_fault_mode

On Tue, 2021-08-03 at 21:32 -0700, ira.weiny@...el.com wrote:
> +static int param_set_pks_fault_mode(const char *val, const struct
> kernel_param *kp)
> +{
> +       int ret = -EINVAL;
> +
> +       if (!sysfs_streq(val, "relaxed")) {
> +               pks_fault_mode = PKS_MODE_RELAXED;
> +               ret = 0;
> +       } else if (!sysfs_streq(val, "strict")) {
> +               pks_fault_mode = PKS_MODE_STRICT;
> +               ret = 0;
> +       }
> +
> +       return ret;
> +}
> +

Looks like !sysfs_streq() should be just sysfs_streq().