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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: hpa@zytor.com
Cc: brgerst@gmail.com, jpoimboe@kernel.org,
	linux-kernel@vger.kernel.org, linux-tip-commits@vger.kernel.org,
	mingo@kernel.org, peterz@infradead.org, tip-bot2@linutronix.de,
	torvalds@linux-foundation.org, x86@kernel.org
Subject: Re: [tip: x86/asm] x86/asm: Make ASM_CALL_CONSTRAINT conditional on frame pointers
Date: Tue, 4 Mar 2025 00:57:49 +0000	[thread overview]
Message-ID: <c7496069-2630-45ca-b6d3-c8d6b3678271@citrix.com> (raw)
In-Reply-To: <28D821BB-96B5-4389-839E-5B7CB4D49F5F@zytor.com>

> One more thing: if we remove ASM_CALL_CONSTRAINTS, we will not be able to use the redzone in future FRED only kernel builds.

That's easy enough to fix with "|| CONFIG_FRED_EXCLUSIVE" in some
theoretical future when it's a feasible config to use.

~Andrew

  reply	other threads:[~2025-03-04  0:57 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-03 11:02 tip-bot2 for Josh Poimboeuf
2025-03-03 18:28 ` Linus Torvalds
2025-03-03 22:37   ` Josh Poimboeuf
2025-03-04  8:33   ` Ingo Molnar
2025-03-04 17:51     ` Linus Torvalds
2025-03-04 18:01       ` Linus Torvalds
2025-03-04 18:21         ` Josh Poimboeuf
2025-03-04 18:48           ` Linus Torvalds
2025-03-04 18:57             ` Linus Torvalds
2025-03-04 19:56               ` Josh Poimboeuf
2025-03-04 20:09                 ` Josh Poimboeuf
2025-03-04 20:13                 ` Linus Torvalds
2025-03-04 20:25                   ` Linus Torvalds
2025-03-04 20:41                   ` Linus Torvalds
2025-03-04 22:45                     ` Josh Poimboeuf
2025-03-04 19:47             ` Josh Poimboeuf
2025-03-04 20:00               ` Josh Poimboeuf
2025-03-04 19:15           ` Ingo Molnar
2025-03-03 22:31 ` H. Peter Anvin
2025-03-03 22:45   ` Josh Poimboeuf
2025-03-03 22:47     ` Josh Poimboeuf
2025-03-04  0:35       ` H. Peter Anvin
2025-03-04  0:57         ` Andrew Cooper [this message]
2025-03-04  2:05           ` H. Peter Anvin
2025-03-04 17:45             ` Josh Poimboeuf
2025-03-04 15:35         ` Uros Bizjak
2025-03-04 22:08           ` H. Peter Anvin
2025-03-03 23:59     ` H. Peter Anvin
2025-03-04 15:28       ` Uros Bizjak
2025-03-04 10:36 tip-bot2 for Josh Poimboeuf
2025-03-07 22:04 ` H. Peter Anvin
2025-03-07 23:05   ` Ingo Molnar
2025-03-07 23:21     ` Josh Poimboeuf
2025-03-07 23:29       ` H. Peter Anvin
2025-03-08  1:38         ` Josh Poimboeuf
2025-03-08  8:15           ` David Laight
2025-03-08 17:06             ` Josh Poimboeuf
2025-03-10 14:49           ` H. Peter Anvin
2025-03-13 23:33             ` Josh Poimboeuf

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