From: Daniel Axtens <dja@axtens.net> To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com, elver@google.com, akpm@linux-foundation.org, andreyknvl@gmail.com Cc: linuxppc-dev@lists.ozlabs.org, christophe.leroy@csgroup.eu, aneesh.kumar@linux.ibm.com, bsingharora@gmail.com, Daniel Axtens <dja@axtens.net> Subject: [PATCH v15 0/4] KASAN core changes for ppc64 radix KASAN Date: Thu, 17 Jun 2021 19:30:28 +1000 [thread overview] Message-ID: <20210617093032.103097-1-dja@axtens.net> (raw) Building on the work of Christophe, Aneesh and Balbir, I've ported KASAN to 64-bit Book3S kernels running on the Radix MMU. I've been trying this for a while, but we keep having collisions between the kasan code in the mm tree and the code I want to put in to the ppc tree. This series just contains the kasan core changes that we need. These can go in via the mm tree. I will then propose the powerpc changes for a later cycle. (The most recent RFC for the powerpc changes is in the v12 series at https://lore.kernel.org/linux-mm/20210615014705.2234866-1-dja@axtens.net/ ) v15 applies to next-20210611. There should be no noticeable changes to other platforms. Changes since v14: Included a bunch of Reviewed-by:s, thanks Christophe and Marco. Cleaned up the build time error #ifdefs, thanks Christophe. Changes since v13: move the MAX_PTR_PER_* definitions out of kasan and into pgtable.h. Add a build time error to hopefully prevent any confusion about when the new hook is applicable. Thanks Marco and Christophe. Changes since v12: respond to Marco's review comments - clean up the help for ARCH_DISABLE_KASAN_INLINE, and add an arch readiness check to the new granule poisioning function. Thanks Marco. Daniel Axtens (4): kasan: allow an architecture to disable inline instrumentation kasan: allow architectures to provide an outline readiness check mm: define default MAX_PTRS_PER_* in include/pgtable.h kasan: use MAX_PTRS_PER_* for early shadow tables arch/s390/include/asm/pgtable.h | 2 -- include/asm-generic/pgtable-nop4d.h | 1 - include/linux/kasan.h | 6 +++--- include/linux/pgtable.h | 22 ++++++++++++++++++++++ lib/Kconfig.kasan | 14 ++++++++++++++ mm/kasan/common.c | 4 ++++ mm/kasan/generic.c | 3 +++ mm/kasan/init.c | 6 +++--- mm/kasan/kasan.h | 6 ++++++ mm/kasan/shadow.c | 8 ++++++++ 10 files changed, 63 insertions(+), 9 deletions(-) -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Axtens <dja@axtens.net> To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com, elver@google.com, akpm@linux-foundation.org, andreyknvl@gmail.com Cc: aneesh.kumar@linux.ibm.com, linuxppc-dev@lists.ozlabs.org, Daniel Axtens <dja@axtens.net> Subject: [PATCH v15 0/4] KASAN core changes for ppc64 radix KASAN Date: Thu, 17 Jun 2021 19:30:28 +1000 [thread overview] Message-ID: <20210617093032.103097-1-dja@axtens.net> (raw) Building on the work of Christophe, Aneesh and Balbir, I've ported KASAN to 64-bit Book3S kernels running on the Radix MMU. I've been trying this for a while, but we keep having collisions between the kasan code in the mm tree and the code I want to put in to the ppc tree. This series just contains the kasan core changes that we need. These can go in via the mm tree. I will then propose the powerpc changes for a later cycle. (The most recent RFC for the powerpc changes is in the v12 series at https://lore.kernel.org/linux-mm/20210615014705.2234866-1-dja@axtens.net/ ) v15 applies to next-20210611. There should be no noticeable changes to other platforms. Changes since v14: Included a bunch of Reviewed-by:s, thanks Christophe and Marco. Cleaned up the build time error #ifdefs, thanks Christophe. Changes since v13: move the MAX_PTR_PER_* definitions out of kasan and into pgtable.h. Add a build time error to hopefully prevent any confusion about when the new hook is applicable. Thanks Marco and Christophe. Changes since v12: respond to Marco's review comments - clean up the help for ARCH_DISABLE_KASAN_INLINE, and add an arch readiness check to the new granule poisioning function. Thanks Marco. Daniel Axtens (4): kasan: allow an architecture to disable inline instrumentation kasan: allow architectures to provide an outline readiness check mm: define default MAX_PTRS_PER_* in include/pgtable.h kasan: use MAX_PTRS_PER_* for early shadow tables arch/s390/include/asm/pgtable.h | 2 -- include/asm-generic/pgtable-nop4d.h | 1 - include/linux/kasan.h | 6 +++--- include/linux/pgtable.h | 22 ++++++++++++++++++++++ lib/Kconfig.kasan | 14 ++++++++++++++ mm/kasan/common.c | 4 ++++ mm/kasan/generic.c | 3 +++ mm/kasan/init.c | 6 +++--- mm/kasan/kasan.h | 6 ++++++ mm/kasan/shadow.c | 8 ++++++++ 10 files changed, 63 insertions(+), 9 deletions(-) -- 2.30.2
next reply other threads:[~2021-06-17 9:30 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-17 9:30 Daniel Axtens [this message] 2021-06-17 9:30 ` [PATCH v15 0/4] KASAN core changes for ppc64 radix KASAN Daniel Axtens 2021-06-17 9:30 ` [PATCH v15 1/4] kasan: allow an architecture to disable inline instrumentation Daniel Axtens 2021-06-17 9:30 ` Daniel Axtens 2021-06-20 11:15 ` Andrey Konovalov 2021-06-20 11:15 ` Andrey Konovalov 2021-06-20 11:15 ` Andrey Konovalov 2021-06-17 9:30 ` [PATCH v15 2/4] kasan: allow architectures to provide an outline readiness check Daniel Axtens 2021-06-17 9:30 ` Daniel Axtens 2021-06-20 11:16 ` Andrey Konovalov 2021-06-20 11:16 ` Andrey Konovalov 2021-06-20 11:16 ` Andrey Konovalov 2021-06-23 9:25 ` Daniel Axtens 2021-06-23 9:25 ` Daniel Axtens 2021-06-17 9:30 ` [PATCH v15 3/4] mm: define default MAX_PTRS_PER_* in include/pgtable.h Daniel Axtens 2021-06-17 9:30 ` Daniel Axtens 2021-06-20 11:17 ` Andrey Konovalov 2021-06-20 11:17 ` Andrey Konovalov 2021-06-20 11:17 ` Andrey Konovalov 2021-06-17 9:30 ` [PATCH v15 4/4] kasan: use MAX_PTRS_PER_* for early shadow tables Daniel Axtens 2021-06-17 9:30 ` Daniel Axtens 2021-06-20 11:17 ` Andrey Konovalov 2021-06-20 11:17 ` Andrey Konovalov 2021-06-20 11:17 ` Andrey Konovalov 2021-06-17 14:04 ` [PATCH v15 0/4] KASAN core changes for ppc64 radix KASAN Balbir Singh 2021-06-17 14:04 ` Balbir Singh
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