From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Juergen Gross <jgross@suse.com>,
linux-kernel@vger.kernel.org, x86@kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
xen-devel@lists.xenproject.org, kernel test robot <lkp@intel.com>
Subject: Re: [PATCH] x86/xen: Fix sparse warning in enlighten_pv.c
Date: Mon, 15 Dec 2025 14:29:59 -0500 [thread overview]
Message-ID: <fe4f5cce-a82e-4216-868e-eb906edc53d1@oracle.com> (raw)
In-Reply-To: <20251215115112.15072-1-jgross@suse.com>
On 12/15/25 6:51 AM, Juergen Gross wrote:
> The sparse tool issues a warning for arch/x76/xen/enlighten_pv.c:
>
> arch/x86/xen/enlighten_pv.c:120:9: sparse: sparse: incorrect type
> in initializer (different address spaces)
> expected void const [noderef] __percpu *__vpp_verify
> got bool *
>
> This is due to the percpu variable xen_in_preemptible_hcall being
> exported via EXPORT_SYMBOL_GPL() instead of EXPORT_PER_CPU_SYMBOL_GPL().
>
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202512140856.Ic6FetG6-lkp@intel.com/
> Fixes: fdfd811ddde3 ("x86/xen: allow privcmd hypercalls to be preempted")
> Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
prev parent reply other threads:[~2025-12-15 19:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-15 11:51 Juergen Gross
2025-12-15 19:29 ` Boris Ostrovsky [this message]
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