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From: Thomas Gleixner <tglx@linutronix.de>
To: Koakuma <koachan@protonmail.com>
Cc: Koakuma via B4 Relay <devnull+koachan.protonmail.com@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Andreas Larsson <andreas@gaisler.com>,
	Andy Lutomirski <luto@kernel.org>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Bill Wendling <morbo@google.com>,
	Justin Stitt <justinstitt@google.com>,
	sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org,
	llvm@lists.linux.dev
Subject: Re: [PATCH] sparc/vdso: Add helper function for 64-bit right shift on 32-bit target
Date: Sun, 04 Aug 2024 21:16:45 +0200	[thread overview]
Message-ID: <87y15c5c9u.ffs@tglx> (raw)
In-Reply-To: <Y5IejvnMTMbzucl5EK4C9ptWTnkPJlPJVKyCj1L1o2_2GPbmY5GZ55bKckWzKATaZcFF9SLCcvI4EMOhG3sifxCgEtkSdV2KDhv5jRBy9wk=@protonmail.com>

On Sun, Aug 04 2024 at 17:30, Koakuma wrote:
> Thomas Gleixner <tglx@linutronix.de> wrote:
>> Why does this sparc'ism need to be in generic code?
>
> Doesn't x86 also have a couple functions that live in math64.h anyway?

No. Both functions are used in the generic lib/vdso/ code.

> That's why I thought it is fine to put it in there...
>
> In any case, though, I am open to moving the function to sparc directory,
> if that is indeed the proper place for that function.

I think so as sparc is having it's own VDSO implementation and does not
use the generic one.

Thanks,

        tglx

  reply	other threads:[~2024-08-04 19:16 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-04  3:39 [PATCH] sparc/vdso: Add helper function for 64-bit right shift on 32-bit target Koakuma via B4 Relay
2024-08-04 15:44 ` Thomas Gleixner
2024-08-04 17:30   ` Koakuma
2024-08-04 19:16     ` Thomas Gleixner [this message]
2024-08-06  2:02       ` Koakuma

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