From: Richard Henderson <richard.henderson@linaro.org>
To: Thomas Huth <thuth@redhat.com>, qemu-devel@nongnu.org
Cc: berrange@redhat.com, i@maskray.me, philmd@redhat.com
Subject: Re: [PATCH 3/7] configure: Do not force pie=no for non-x86
Date: Wed, 18 Dec 2019 09:23:00 -1000 [thread overview]
Message-ID: <73905ca5-bc1f-27ed-8315-c8b73c58cabc@linaro.org> (raw)
In-Reply-To: <19a90c1c-3407-522c-72c7-1612ba66147c@redhat.com>
On 12/17/19 9:05 PM, Thomas Huth wrote:
> On 18/12/2019 04.19, Richard Henderson wrote:
>> PIE is supported on many other hosts besides x86.
>>
>> The default for non-x86 is now the same as x86: pie is used
>> if supported, and may be forced via --enable/--disable-pie.
>
> The original commit that introduce this code (40d6444e91c) said:
>
> "Non-x86 are not changed, as they require TCG changes"
>
> ... are these "TCG changes" in place nowadays? Did you check on non-x86
> systems? If so, please mention this in the commit message.
I have no idea what those "tcg changes" would be. I have checked aarch64
(bionic) and ppc64le (centos 7). I'll update the commit message.
r~
next prev parent reply other threads:[~2019-12-18 19:24 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-18 3:19 [PATCH 0/7] configure: Improve PIE and other linkage Richard Henderson
2019-12-18 3:19 ` [PATCH 1/7] configure: Drop adjustment of textseg Richard Henderson
2019-12-18 6:59 ` Thomas Huth
2019-12-18 17:22 ` Richard Henderson
2019-12-18 3:19 ` [PATCH 2/7] tcg: Remove softmmu code_gen_buffer fixed address Richard Henderson
2019-12-18 7:01 ` Thomas Huth
2019-12-18 3:19 ` [PATCH 3/7] configure: Do not force pie=no for non-x86 Richard Henderson
2019-12-18 7:05 ` Thomas Huth
2019-12-18 19:23 ` Richard Henderson [this message]
2019-12-18 3:19 ` [PATCH 4/7] configure: Always detect -no-pie toolchain support Richard Henderson
2019-12-18 8:04 ` Thomas Huth
2019-12-18 17:55 ` Philippe Mathieu-Daudé
2019-12-18 3:19 ` [PATCH 5/7] configure: Unnest detection of -z,relro and -z,now Richard Henderson
2019-12-18 8:11 ` Thomas Huth
2019-12-18 16:58 ` Richard Henderson
2019-12-18 18:31 ` Thomas Huth
2019-12-18 3:19 ` [PATCH 6/7] configure: Override the os default with --disable-pie Richard Henderson
2019-12-18 8:13 ` Thomas Huth
2019-12-18 17:57 ` Philippe Mathieu-Daudé
2019-12-18 3:19 ` [PATCH 7/7] configure: Support -static-pie if requested Richard Henderson
2019-12-18 8:15 ` Thomas Huth
2019-12-18 7:28 ` [PATCH 0/7] configure: Improve PIE and other linkage Fangrui Song
2019-12-18 22:32 ` Richard Henderson
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