[{"id":1780802,"web_url":"http://patchwork.ozlabs.org/comment/1780802/","msgid":"<021427db-f8cb-9416-31bb-85f0bbb80e2d@linaro.org>","list_archive_url":null,"date":"2017-10-05T16:28:13","subject":"Re: [Qemu-devel] [PATCH 07/20] target/arm: Warn about restoring to\n\tunaligned stack","submitter":{"id":72104,"url":"http://patchwork.ozlabs.org/api/people/72104/","name":"Richard Henderson","email":"richard.henderson@linaro.org"},"content":"On 09/22/2017 10:59 AM, Peter Maydell wrote:\n> Attempting to do an exception return with an exception frame that\n> is not 8-aligned is UNPREDICTABLE in v8M; warn about this.\n> (It is not UNPREDICTABLE in v7M, and our implementation can\n> handle the merely-4-aligned case fine, so we don't need to\n> do anything except warn.)\n> \n> Signed-off-by: Peter Maydell \n> ---\n> target/arm/helper.c | 7 +++++++\n> 1 file changed, 7 insertions(+)\n\nReviewed-by: Richard Henderson \n\n\nr~","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; 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