From: Michael Ellerman <mpe@ellerman.id.au>
To: Thomas Gleixner <tglx@linutronix.de>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-mm@kvack.org
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>,
Andy Lutomirski <luto@kernel.org>,
"Jason A . Donenfeld" <Jason@zx2c4.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Nicholas Piggin <npiggin@gmail.com>,
Naveen N Rao <naveen@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H . Peter Anvin" <hpa@zytor.com>, Theodore Ts'o <tytso@mit.edu>,
Arnd Bergmann <arnd@arndb.de>,
Andrew Morton <akpm@linux-foundation.org>,
Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Subject: Re: [PATCH v3 2/2] vdso: Introduce vdso/page.h
Date: Thu, 10 Oct 2024 10:58:31 +1100 [thread overview]
Message-ID: <878quw7rrs.fsf@mail.lhotse> (raw)
In-Reply-To: <87ttdlr3s5.ffs@tglx>
Thomas Gleixner <tglx@linutronix.de> writes:
> On Wed, Oct 09 2024 at 11:53, Thomas Gleixner wrote:
>> On Thu, Oct 03 2024 at 16:29, Vincenzo Frascino wrote:
>
> Hit send too early.
>
>>> +#if defined(CONFIG_PHYS_ADDR_T_64BIT)
>>> +#define PAGE_MASK (~((1 << CONFIG_PAGE_SHIFT) - 1))
>
> This really wants a comment. The magic reliance on integer sign
> expansion is any thing than obvious.
+1
Vincenzo feel free to take/modify the one from arch/powerpc/include/asm/page.h :)
cheers
next prev parent reply other threads:[~2024-10-09 23:58 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-03 15:29 [PATCH v3 0/2] vdso: Use only headers from the vdso/ namespace Vincenzo Frascino
2024-10-03 15:29 ` [PATCH v3 1/2] drm: Fix fault format Vincenzo Frascino
2024-10-04 13:21 ` Arnd Bergmann
2024-10-07 6:10 ` Christophe Leroy
2024-10-03 15:29 ` [PATCH v3 2/2] vdso: Introduce vdso/page.h Vincenzo Frascino
2024-10-04 9:07 ` Geert Uytterhoeven
2024-10-04 13:13 ` Arnd Bergmann
2024-10-07 11:01 ` Vincenzo Frascino
2024-10-07 11:06 ` Arnd Bergmann
2024-10-07 11:20 ` Vincenzo Frascino
2024-10-07 16:05 ` H. Peter Anvin
2024-10-07 16:23 ` Thomas Gleixner
2024-10-08 13:11 ` Arnd Bergmann
2024-10-08 14:20 ` Vincenzo Frascino
2024-10-09 9:53 ` Thomas Gleixner
2024-10-09 10:04 ` Thomas Gleixner
2024-10-09 23:58 ` Michael Ellerman [this message]
2024-10-10 12:37 ` Vincenzo Frascino
2024-10-10 12:36 ` Vincenzo Frascino
2024-10-10 12:35 ` Vincenzo Frascino
2024-10-03 16:25 ` [PATCH v3 0/2] vdso: Use only headers from the vdso/ namespace Jason A. Donenfeld
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