Re: [GCC 11 PATCH 0/5] x86: Backport straight-line-speculation mitigation

2022-02-16 Thread H.J. Lu via Gcc-patches
On Tue, Feb 15, 2022 at 10:52 PM Hongtao Liu wrote: > > On Tue, Feb 1, 2022 at 2:55 AM H.J. Lu via Gcc-patches > wrote: > > > > Backport -mindirect-branch-cs-prefix: > > > > commit 48a4ae26c225eb018ecb59f131e2c4fd4f3cf89a > > Author: H.J. Lu > > Date: Wed Oct 27 06:27:15 2021 -0700 > > > >

Re: [GCC 11 PATCH 0/5] x86: Backport straight-line-speculation mitigation

2022-02-15 Thread Hongtao Liu via Gcc-patches
On Tue, Feb 1, 2022 at 2:55 AM H.J. Lu via Gcc-patches wrote: > > Backport -mindirect-branch-cs-prefix: > > commit 48a4ae26c225eb018ecb59f131e2c4fd4f3cf89a > Author: H.J. Lu > Date: Wed Oct 27 06:27:15 2021 -0700 > > x86: Add -mindirect-branch-cs-prefix > > Add -mindirect-branch-cs-pref

Re: [GCC 11 PATCH 0/5] x86: Backport straight-line-speculation mitigation

2022-02-02 Thread Richard Biener via Gcc-patches
On Tue, Feb 1, 2022 at 5:59 PM H.J. Lu wrote: > > On Mon, Jan 31, 2022 at 11:21 PM Richard Biener > wrote: > > > > On Mon, Jan 31, 2022 at 7:56 PM H.J. Lu via Gcc-patches > > wrote: > > > > > > Backport -mindirect-branch-cs-prefix: > > > > LGTM in case a x86 maintainer also acks this. Can you a

Re: [GCC 11 PATCH 0/5] x86: Backport straight-line-speculation mitigation

2022-02-01 Thread H.J. Lu via Gcc-patches
On Mon, Jan 31, 2022 at 11:21 PM Richard Biener wrote: > > On Mon, Jan 31, 2022 at 7:56 PM H.J. Lu via Gcc-patches > wrote: > > > > Backport -mindirect-branch-cs-prefix: > > LGTM in case a x86 maintainer also acks this. Can you amend > the 10.3 release gcc-11/changes.html notes accordingly? Did

Re: [GCC 11 PATCH 0/5] x86: Backport straight-line-speculation mitigation

2022-01-31 Thread Richard Biener via Gcc-patches
On Mon, Jan 31, 2022 at 7:56 PM H.J. Lu via Gcc-patches wrote: > > Backport -mindirect-branch-cs-prefix: LGTM in case a x86 maintainer also acks this. Can you amend the 10.3 release gcc-11/changes.html notes accordingly? Thanks, Richard. > commit 48a4ae26c225eb018ecb59f131e2c4fd4f3cf89a > Auth

[GCC 11 PATCH 0/5] x86: Backport straight-line-speculation mitigation

2022-01-31 Thread H.J. Lu via Gcc-patches
Backport -mindirect-branch-cs-prefix: commit 48a4ae26c225eb018ecb59f131e2c4fd4f3cf89a Author: H.J. Lu Date: Wed Oct 27 06:27:15 2021 -0700 x86: Add -mindirect-branch-cs-prefix Add -mindirect-branch-cs-prefix to add CS prefix to call and jmp to indirect thunk with branch target in