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From: Jordan Niethe <jniethe@nvidia.com>
To: Borislav Petkov <bp@alien8.de>
Cc: linux-kernel@vger.kernel.org, jgross@suse.com,
	ajay.kaher@broadcom.com, alexey.amakhalov@broadcom.com,
	tglx@linutronix.de, mingo@redhat.com,
	dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com,
	peterz@infradead.org
Subject: Re: [PATCH] x86/paravirt: Ensure calls to pv_op functions are RIP relative
Date: Mon, 20 May 2024 12:08:08 +1000	[thread overview]
Message-ID: <04079a4c-e5da-4ffb-9527-669abc18d0d9@nvidia.com> (raw)
In-Reply-To: <20240517100714.GAZkcsUqHxScXJErxP@fat_crate.local>

Borislav Petkov wrote:
> On Fri, May 17, 2024 at 12:42:24PM +1000, Jordan Niethe wrote:
>> This has been observed at lower levels of compiler optimisation but
>> there is nothing preventing it from occurring generally.
> 
> How can I reproduce this?
> 
> Thx.
> 

Hi,

I run into this building a module that used paravirtual operations with -O1.

I'll try and get a minimal reproducing example.

Thanks,
Jordan.




  reply	other threads:[~2024-05-20  2:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-17  2:42 [PATCH] x86/paravirt: Ensure calls to pv_op functions are RIP relative Jordan Niethe
2024-05-17 10:07 ` Borislav Petkov
2024-05-20  2:08   ` Jordan Niethe [this message]
2024-05-20  8:33     ` Borislav Petkov

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