From: David Laight <David.Laight@ACULAB.COM>
To: 'Peter Zijlstra' <peterz@infradead.org>,
Randy Dunlap <rdunlap@infradead.org>
Cc: "x86@kernel.org" <x86@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"jpoimboe@redhat.com" <jpoimboe@redhat.com>,
"sfr@canb.auug.org.au" <sfr@canb.auug.org.au>,
"tony.luck@intel.com" <tony.luck@intel.com>
Subject: RE: [PATCH 7/6] x86: __always_inline __{rd,wr}msr()
Date: Thu, 7 Jan 2021 10:31:31 +0000 [thread overview]
Message-ID: <1a46f52f696f422ab95f31733e638f76@AcuMS.aculab.com> (raw)
In-Reply-To: <X/bf3gV+BW7kGEsB@hirez.programming.kicks-ass.net>
From: Peter Zijlstra
> Sent: 07 January 2021 10:18
...
> -static inline unsigned long long notrace __rdmsr(unsigned int msr)
> +static __always_inline unsigned long long __rdmsr(unsigned int msr)
Since we (should) only request 'inline' for things that need to be
inlined, maybe inline should expand to __attribute__((always_inline)).
That might throw up a few warnings where inline has been misused.
But they are less problematic than things not being inlined.
David
-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)
next prev parent reply other threads:[~2021-01-07 10:33 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-06 14:36 [PATCH 0/6] x86 noinstr fixes Peter Zijlstra
2021-01-06 14:36 ` [PATCH 1/6] x86/entry: Fix noinstr fail Peter Zijlstra
2021-01-12 20:12 ` [tip: x86/urgent] " tip-bot2 for Peter Zijlstra
2021-01-06 14:36 ` [PATCH 2/6] x86/sev: Fix nonistr violation Peter Zijlstra
2021-01-06 17:59 ` Randy Dunlap
2021-01-07 9:36 ` Peter Zijlstra
2021-01-07 10:18 ` [PATCH 7/6] x86: __always_inline __{rd,wr}msr() Peter Zijlstra
2021-01-07 10:31 ` David Laight [this message]
2021-01-07 16:49 ` Randy Dunlap
2021-01-12 20:12 ` [tip: x86/urgent] x86/sev: Fix nonistr violation tip-bot2 for Peter Zijlstra
2021-01-06 14:36 ` [PATCH 3/6] locking/lockdep: Cure noinstr fail Peter Zijlstra
2021-01-12 20:12 ` [tip: x86/urgent] " tip-bot2 for Peter Zijlstra
2021-01-06 14:36 ` [PATCH 4/6] locking/lockdep: Avoid noinstr warning for DEBUG_LOCKDEP Peter Zijlstra
2021-01-12 20:12 ` [tip: x86/urgent] " tip-bot2 for Peter Zijlstra
2021-01-06 14:36 ` [PATCH 5/6] x86/mce: Remove explicit/superfluous tracing Peter Zijlstra
2021-01-12 20:12 ` [tip: x86/urgent] " tip-bot2 for Peter Zijlstra
2021-01-06 14:36 ` [RFC][PATCH 6/6] x86/mce: Dont use noinstr for now Peter Zijlstra
2021-01-06 14:57 ` Boris Petkov
2021-01-07 10:06 ` Borislav Petkov
2021-01-07 12:58 ` Peter Zijlstra
2021-01-07 13:13 ` Borislav Petkov
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