On 3/9/22 10:08, Sudip Mukherjee wrote:
Hi Greg,
On Wed, Mar 9, 2022 at 4:03 PM Greg Kroah-Hartman gregkh@linuxfoundation.org wrote:
This is the start of the stable review cycle for the 4.19.234 release. There are 18 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Fri, 11 Mar 2022 15:58:48 +0000. Anything received after that time might be too late.
My tests are still running, but just an initial result for you,
x86_64 defconfig fails with: arch/x86/kernel/cpu/bugs.c: In function 'spectre_v2_select_mitigation': arch/x86/kernel/cpu/bugs.c:973:41: error: implicit declaration of function 'unprivileged_ebpf_enabled' [-Werror=implicit-function-declaration] 973 | if (mode == SPECTRE_V2_EIBRS && unprivileged_ebpf_enabled())
# bad: [be15501ac1fff96964cb8880d44736bd1653295b] Linux 4.19.234-rc1 # good: [c2ea16582cfb89c5e3457a680d018f165cfdc208] Linux 4.19.233 git bisect start 'HEAD' 'v4.19.233' # bad: [69a4715b821de4cf973df10a935a0e3bcada38f5] x86/speculation: Warn about Spectre v2 LFENCE mitigation git bisect bad 69a4715b821de4cf973df10a935a0e3bcada38f5 # good: [e2982efb00a54d8f5e682cbf68ef9844040b5811] x86/speculation: Add eIBRS + Retpoline options git bisect good e2982efb00a54d8f5e682cbf68ef9844040b5811 # bad: [b799f7ac596fff0c36321428de9fd7c9aa8c4008] x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting git bisect bad b799f7ac596fff0c36321428de9fd7c9aa8c4008 # good: [ba81977a470c874ce83bdc96f1749c6d36ccfefd] Documentation/hw-vuln: Update spectre doc git bisect good ba81977a470c874ce83bdc96f1749c6d36ccfefd # first bad commit: [b799f7ac596fff0c36321428de9fd7c9aa8c4008] x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting