From: Peter Zijlstra <peterz@infradead.org>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
jpoimboe@redhat.com, sfr@canb.auug.org.au, tony.luck@intel.com
Subject: Re: [PATCH 2/6] x86/sev: Fix nonistr violation
Date: Thu, 7 Jan 2021 10:36:43 +0100 [thread overview]
Message-ID: <X/bWK1tNB6mtm0Bu@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <dc6e7e19-881a-c778-22df-15176db4aeb9@infradead.org>
On Wed, Jan 06, 2021 at 09:59:17AM -0800, Randy Dunlap wrote:
> On 1/6/21 6:36 AM, Peter Zijlstra wrote:
> > When the compiler fails to inline; we violate nonisntr:
> >
> > vmlinux.o: warning: objtool: __sev_es_nmi_complete()+0xc7: call to sev_es_wr_ghcb_msr() leaves .noinstr.text section
>
> I am still seeing (a variant of) this one:
>
> vmlinux.o: warning: objtool: __sev_es_nmi_complete()+0xce: call to __wrmsr.constprop.14() leaves .noinstr.text section
Gah, sorry, I managed to mess up my .config :/ /me goes try again.
next prev parent reply other threads:[~2021-01-07 9:39 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 [this message]
2021-01-07 10:18 ` [PATCH 7/6] x86: __always_inline __{rd,wr}msr() Peter Zijlstra
2021-01-07 10:31 ` David Laight
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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