linux-kernel - Re: [PATCH 2/3] xen/x86: free_p2m_page: use memblock_free

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Date:   Thu, 23 Sep 2021 10:10:01 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Mike Rapoport <rppt@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        devicetree@...r.kernel.org, iommu@...ts.linux-foundation.org,
        kasan-dev@...glegroups.com, kvm@...r.kernel.org,
        linux-alpha@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-mm@...ck.org,
        linux-riscv@...ts.infradead.org, linux-s390@...r.kernel.org,
        linux-sh@...r.kernel.org, linux-snps-arc@...ts.infradead.org,
        linux-um@...ts.infradead.org, linux-usb@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, sparclinux@...r.kernel.org,
        xen-devel@...ts.xenproject.org, Mike Rapoport <rppt@...ux.ibm.com>
Subject: Re: [PATCH 2/3] xen/x86: free_p2m_page: use memblock_free_ptr() to
 free a virtual pointer

On 23.09.21 09:43, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@...ux.ibm.com>
> 
> free_p2m_page() wrongly passes a virtual pointer to memblock_free() that
> treats it as a physical address.
> 
> Call memblock_free_ptr() instead that gets a virtual address to free the
> memory.
> 
> Signed-off-by: Mike Rapoport <rppt@...ux.ibm.com>

Reviewed-by: Juergen Gross <jgross@...e.com>


Juergen

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