linux-kernel - Re: [PATCH v5 3/5] x86/e820: Tag e820

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Message-ID: <CAKgze5Z7U0R+HJ8_GajUsspYw+52+i2MW75KBGVOmE8zmT_BDQ@mail.gmail.com>
Date:   Mon, 17 Jan 2022 09:42:00 -0300
From:   Martin Fernandez <martin.fernandez@...ypsium.com>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
        platform-driver-x86@...r.kernel.org, linux-mm@...ck.org,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
        ardb@...nel.org, dvhart@...radead.org, andy@...radead.org,
        gregkh@...uxfoundation.org, rafael@...nel.org, rppt@...nel.org,
        akpm@...ux-foundation.org, daniel.gutson@...ypsium.com,
        hughsient@...il.com, alex.bazhaniuk@...ypsium.com,
        alison.schofield@...el.com
Subject: Re: [PATCH v5 3/5] x86/e820: Tag e820_entry with crypto capabilities

On 1/14/22, Dave Hansen <dave.hansen@...el.com> wrote:
> On 1/13/22 1:30 PM, Martin Fernandez wrote:
>> +/*
>> + * Update crypto capabilities in a range
>> + */
>> +static u64 __init __e820__range_update_crypto(struct e820_table *table,
>> +					      u64 start, u64 size,
>> +					      enum e820_crypto_capabilities crypto_capable)
>
> This looks like an almost pure copy-and-paste of a 70-line function.
> That's not the end of the world, but it does seem like a place where
> refactoring is in order.
>
> The rest of this series looks pretty straightforward, but this part in
> particular is the most worrying.
>

Yep, I'm not super happy with this either. I'll check it out to see
what we can do. Btw e820__range_remove is quite similiar too.