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Re: [Xen-devel] [PATCH v2 02/21] powerpc: use memblock functions returning virtual address
- To: Mike Rapoport <rppt@xxxxxxxxxxxxx>, linux-mm@xxxxxxxxx
- From: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
- Date: Tue, 29 Jan 2019 20:52:17 +1100
- Cc: Rich Felker <dalias@xxxxxxxx>, linux-ia64@xxxxxxxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, Catalin Marinas <catalin.marinas@xxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, x86@xxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, Max Filippov <jcmvbkbc@xxxxxxxxx>, Guo Ren <guoren@xxxxxxxxxx>, sparclinux@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxx>, linux-s390@xxxxxxxxxxxxxxx, linux-c6x-dev@xxxxxxxxxxxxx, Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>, Richard Weinberger <richard@xxxxxx>, linux-sh@xxxxxxxxxxxxxxx, Russell King <linux@xxxxxxxxxxxxxxx>, kasan-dev@xxxxxxxxxxxxxxxx, Mike Rapoport <rppt@xxxxxxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, Mark Salter <msalter@xxxxxxxxxx>, Dennis Zhou <dennis@xxxxxxxxxx>, Matt Turner <mattst88@xxxxxxxxx>, linux-snps-arc@xxxxxxxxxxxxxxxxxxx, uclinux-h8-devel@xxxxxxxxxxxxxxxxxxxx, Petr Mladek <pmladek@xxxxxxxx>, linux-xtensa@xxxxxxxxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-um@xxxxxxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxxxxxxx, Rob Herring <robh+dt@xxxxxxxxxx>, Greentime Hu <green.hu@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Stafford Horne <shorne@xxxxxxxxx>, Guan Xuetao <gxt@xxxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, Christophe Leroy <christophe.leroy@xxxxxx>, Michal Simek <monstr@xxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, linux-usb@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Paul Burton <paul.burton@xxxxxxxx>, openrisc@xxxxxxxxxxxxxxxxxxxx, Vineet Gupta <vgupta@xxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, "David S. Miller" <davem@xxxxxxxxxxxxx>
- Delivery-date: Tue, 29 Jan 2019 09:52:42 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Mike Rapoport <rppt@xxxxxxxxxxxxx> writes:
> From: Christophe Leroy <christophe.leroy@xxxxxx>
>
> Since only the virtual address of allocated blocks is used,
> lets use functions returning directly virtual address.
>
> Those functions have the advantage of also zeroing the block.
>
> [ MR:
> - updated error message in alloc_stack() to be more verbose
> - convereted several additional call sites ]
>
> Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
> Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
> ---
> arch/powerpc/kernel/dt_cpu_ftrs.c | 3 +--
> arch/powerpc/kernel/irq.c | 5 -----
> arch/powerpc/kernel/paca.c | 6 +++++-
> arch/powerpc/kernel/prom.c | 5 ++++-
> arch/powerpc/kernel/setup_32.c | 26 ++++++++++++++++----------
> 5 files changed, 26 insertions(+), 19 deletions(-)
LGTM.
Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
cheers
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