Re: [PATCH bpf-next v3 07/11] bpf: Rename sanitize_stack_spill to nospec_result

[PATCH bpf-next v3 00/11] bpf: Mitigate Spectre v1 using barriers · Luis Gerhorst <hidden> · 2025-05-01
[PATCH bpf-next v3 01/11] selftests/bpf: Fix caps for __xlated/jited_unpriv · Luis Gerhorst <hidden> · 2025-05-01
Re: [PATCH bpf-next v3 01/11] selftests/bpf: Fix caps for __xlated/jited_unpriv · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2025-05-01
Re: [PATCH bpf-next v3 01/11] selftests/bpf: Fix caps for __xlated/jited_unpriv · Eduard Zingerman <eddyz87@gmail.com> · 2025-05-01
[PATCH bpf-next v3 02/11] bpf: Move insn if/else into do_check_insn() · Luis Gerhorst <hidden> · 2025-05-01
Re: [PATCH bpf-next v3 02/11] bpf: Move insn if/else into do_check_insn() · Eduard Zingerman <eddyz87@gmail.com> · 2025-05-01
Re: [PATCH bpf-next v3 02/11] bpf: Move insn if/else into do_check_insn() · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2025-05-01
[PATCH bpf-next v3 03/11] bpf: Return -EFAULT on misconfigurations · Luis Gerhorst <hidden> · 2025-05-01
Re: [PATCH bpf-next v3 03/11] bpf: Return -EFAULT on misconfigurations · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2025-05-01
[PATCH bpf-next v3 04/11] bpf: Return -EFAULT on internal errors · Luis Gerhorst <hidden> · 2025-05-01
Re: [PATCH bpf-next v3 04/11] bpf: Return -EFAULT on internal errors · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2025-05-01
[PATCH bpf-next v3 05/11] bpf, arm64, powerpc: Add bpf_jit_bypass_spec_v1/v4() · Luis Gerhorst <hidden> · 2025-05-01
Re: [PATCH bpf-next v3 05/11] bpf, arm64, powerpc: Add bpf_jit_bypass_spec_v1/v4() · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2025-05-01
Re: [PATCH bpf-next v3 05/11] bpf, arm64, powerpc: Add bpf_jit_bypass_spec_v1/v4() · Hari Bathini <hbathini@linux.ibm.com> · 2025-05-18
[PATCH bpf-next v3 06/11] bpf, arm64, powerpc: Change nospec to include v1 barrier · Luis Gerhorst <hidden> · 2025-05-01
Re: [PATCH bpf-next v3 06/11] bpf, arm64, powerpc: Change nospec to include v1 barrier · Hari Bathini <hbathini@linux.ibm.com> · 2025-05-19
[PATCH bpf-next v3 07/11] bpf: Rename sanitize_stack_spill to nospec_result · Luis Gerhorst <hidden> · 2025-05-01
Re: [PATCH bpf-next v3 07/11] bpf: Rename sanitize_stack_spill to nospec_result · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2025-05-01
[PATCH bpf-next v3 08/11] bpf: Fall back to nospec for Spectre v1 · Luis Gerhorst <hidden> · 2025-05-01
Re: [PATCH bpf-next v3 08/11] bpf: Fall back to nospec for Spectre v1 · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2025-05-01
Re: [PATCH bpf-next v3 08/11] bpf: Fall back to nospec for Spectre v1 · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2025-05-14
[PATCH bpf-next v3 09/11] selftests/bpf: Add test for Spectre v1 mitigation · Luis Gerhorst <hidden> · 2025-05-01
Re: [PATCH bpf-next v3 09/11] selftests/bpf: Add test for Spectre v1 mitigation · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2025-05-14
[PATCH bpf-next v3 11/11] bpf: Fall back to nospec for sanitization-failures · Luis Gerhorst <hidden> · 2025-05-01
Re: [PATCH bpf-next v3 11/11] bpf: Fall back to nospec for sanitization-failures · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2025-05-14
[PATCH bpf-next v3 10/11] bpf: Allow nospec-protected var-offset stack access · Luis Gerhorst <hidden> · 2025-05-01
Re: [PATCH bpf-next v3 10/11] bpf: Allow nospec-protected var-offset stack access · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2025-05-02
Re: [PATCH bpf-next v3 10/11] bpf: Allow nospec-protected var-offset stack access · Kumar Kartikeya Dwivedi <memxor@gmail.com> · 2025-05-14
Re: [PATCH bpf-next v3 00/11] bpf: Mitigate Spectre v1 using barriers · patchwork-bot+netdevbpf@kernel.org · 2025-05-09
Re: [PATCH bpf-next v3 00/11] bpf: Mitigate Spectre v1 using barriers · Alexei Starovoitov <hidden> · 2025-05-09

From: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Date: 2025-05-01 22:30:47
Also in: bpf, linux-arm-kernel, linux-kselftest, lkml

On Thu, 1 May 2025 at 10:02, Luis Gerhorst [off-list ref] wrote:

This is made to clarify that this flag will cause a nospec to be added
after this insn and can therefore be relied upon to reduce speculative
path analysis.

Signed-off-by: Luis Gerhorst <redacted>
Cc: Henriette Herzog <redacted>
Cc: Maximilian Ott <redacted>
Cc: Milan Stephan <redacted>
---

Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>

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