From mboxrd@z Thu Jan 1 00:00:00 1970 From: bamvor.zhangjian@huawei.com (Zhangjian (Bamvor)) Date: Wed, 18 Nov 2015 16:09:03 +0800 Subject: [PATCH v6 01/19] arm64:ilp32: add documentation on the ILP32 ABI for ARM64 In-Reply-To: <1447795019-30176-2-git-send-email-ynorov@caviumnetworks.com> References: <1447795019-30176-1-git-send-email-ynorov@caviumnetworks.com> <1447795019-30176-2-git-send-email-ynorov@caviumnetworks.com> Message-ID: <564C321F.5050707@huawei.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, Yury On 2015/11/18 5:16, Yury Norov wrote: > From: Philipp Tomsich > > Based on Andrew Pinski's original patch-series and adapted with changes > to reduce the duplication of code-paths and resolve issue found during > LTP testing. > > Reviewed-by: David Daney > > > Signed-off-by: Philipp Tomsich > Signed-off-by: Christoph Muellner > Signed-off-by: Yury Norov > Signed-off-by: Andrew Pinski > --- > Documentation/arm64/ilp32.txt | 47 +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 47 insertions(+) > create mode 100644 Documentation/arm64/ilp32.txt > > diff --git a/Documentation/arm64/ilp32.txt b/Documentation/arm64/ilp32.txt > new file mode 100644 > index 0000000..93c09f2 > --- /dev/null > +++ b/Documentation/arm64/ilp32.txt > @@ -0,0 +1,47 @@ > +ILP32 AARCH64 SYSCALL ABI > +========================= > +Written by Andrew Pinski > +Updated by Philipp Tomsich > +Updated by Yury Norov > + > + > +This document describes the ILP32 syscall ABI and where it differs > +from the generic linux syscall interface. > + > +Some structures are changed to reduce the difference in the code path > +for both ILP32 and LP64 ABIs for signal handling. Given that user may upgrade from aarch32 to ILP32. How about add abi comparison between aarch32 and aarch64 ilp32? Regards Bamvor