From: Mark Rutland <mark.rutland@arm.com>
To: Laura Abbott <labbott@redhat.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Will Deacon <will.deacon@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Andrew Morton <akpm@linux-foundation.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
linux-arm-kernel@lists.infradead.org,
Alexander Potapenko <glider@google.com>,
Dmitry Vyukov <dvyukov@google.com>,
kasan-dev@googlegroups.com
Subject: Re: [PATCHv5 09/11] mm/kasan: Switch to using __pa_symbol and lm_alias
Date: Tue, 13 Dec 2016 12:31:44 +0000 [thread overview]
Message-ID: <20161213123144.GB24607@leverpostej> (raw)
In-Reply-To: <1481068257-6367-10-git-send-email-labbott@redhat.com>
On Tue, Dec 06, 2016 at 03:50:55PM -0800, Laura Abbott wrote:
>
> __pa_symbol is the correct API to find the physical address of symbols.
> Switch to it to allow for debugging APIs to work correctly. Other
> functions such as p*d_populate may call __pa internally. Ensure that the
> address passed is in the linear region by calling lm_alias.
>
> Reviewed-by: Mark Rutland <mark.rutland@arm.com>
> Tested-by: Mark Rutland <mark.rutland@arm.com>
> Signed-off-by: Laura Abbott <labbott@redhat.com>
> ---
> v5: Add missing lm_alias call
> ---
> mm/kasan/kasan_init.c | 15 ++++++++-------
> 1 file changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/mm/kasan/kasan_init.c b/mm/kasan/kasan_init.c
> index 3f9a41c..922f459 100644
> --- a/mm/kasan/kasan_init.c
> +++ b/mm/kasan/kasan_init.c
> @@ -16,6 +16,7 @@
> #include <linux/kernel.h>
> #include <linux/memblock.h>
> #include <linux/pfn.h>
> +#include <linux/mm.h>
Nit: include ordering.
Regardless, my tags above still stand!
Thanks,
Mark.
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next prev parent reply other threads:[~2016-12-13 12:32 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-06 23:50 [PATCHv5 00/11] CONFIG_DEBUG_VIRTUAL for arm64 Laura Abbott
2016-12-06 23:50 ` [PATCHv5 01/11] lib/Kconfig.debug: Add ARCH_HAS_DEBUG_VIRTUAL Laura Abbott
2016-12-06 23:50 ` [PATCHv5 02/11] mm/cma: Cleanup highmem check Laura Abbott
2016-12-06 23:50 ` [PATCHv5 03/11] arm64: Move some macros under #ifndef __ASSEMBLY__ Laura Abbott
2016-12-06 23:50 ` [PATCHv5 04/11] arm64: Add cast for virt_to_pfn Laura Abbott
2016-12-06 23:50 ` [PATCHv5 05/11] mm: Introduce lm_alias Laura Abbott
2016-12-06 23:50 ` [PATCHv5 06/11] arm64: Use __pa_symbol for kernel symbols Laura Abbott
2016-12-13 12:31 ` Mark Rutland
2016-12-06 23:50 ` [PATCHv5 07/11] drivers: firmware: psci: Use __pa_symbol for kernel symbol Laura Abbott
2016-12-06 23:50 ` [PATCHv5 08/11] kexec: Switch to __pa_symbol Laura Abbott
2016-12-06 23:50 ` [PATCHv5 09/11] mm/kasan: Switch to using __pa_symbol and lm_alias Laura Abbott
2016-12-13 12:31 ` Mark Rutland [this message]
2016-12-06 23:50 ` [PATCHv5 10/11] mm/usercopy: Switch to using lm_alias Laura Abbott
2016-12-06 23:50 ` [PATCHv5 11/11] arm64: Add support for CONFIG_DEBUG_VIRTUAL Laura Abbott
2016-12-13 13:50 ` [PATCHv5 00/11] CONFIG_DEBUG_VIRTUAL for arm64 Mark Rutland
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