Re: [PATCH v4 00/16] powerpc: machine check and system reset fixes

On Fri, 8 May 2020 14:33:52 +1000, Nicholas Piggin wrote:

Since v3, I fixed a compile error and returned the generic machine check
exception handler to be NMI on 32 and 64e, as caught by Christophe's
review.

Also added the last patch, just found it by looking at the code, a
review for 32s would be good.

[...]

Patches 1-15 applied to powerpc/next.

[01/16] powerpc/64s/exception: Fix machine check no-loss idle wakeup
        https://git.kernel.org/powerpc/c/8a5054d8cbbe03c68dcb0957c291c942132e4101
[02/16] powerpc/64s/exceptions: Fix in_mce accounting in unrecoverable path
        https://git.kernel.org/powerpc/c/ac2a2a1417391180ef12f908a2864692d6d76d40
[03/16] powerpc/64s/exceptions: Change irq reconcile for NMIs from reusing _DAR to RESULT
        https://git.kernel.org/powerpc/c/16754d25bd7d4e53a52b311d99cc7a8fba875d81
[04/16] powerpc/64s/exceptions: Machine check reconcile irq state
        https://git.kernel.org/powerpc/c/f0fd9dd3c213c947dfb5bc2cad3ef5e30d3258ec
[05/16] powerpc/pseries/ras: Avoid calling rtas_token() in NMI paths
        https://git.kernel.org/powerpc/c/7368b38b21bfa39df637701a480262c15ab1a49e
[06/16] powerpc/pseries/ras: Fix FWNMI_VALID off by one
        https://git.kernel.org/powerpc/c/deb70f7a35a22dffa55b2c3aac71bc6fb0f486ce
[07/16] powerpc/pseries/ras: fwnmi avoid modifying r3 in error case
        https://git.kernel.org/powerpc/c/dff681e95a23f28b3c688a8bd5535f78bd726bc8
[08/16] powerpc/pseries/ras: fwnmi sreset should not interlock
        https://git.kernel.org/powerpc/c/d7b14c5c042865070a1411078ab49ea17bad0b41
[09/16] powerpc/pseries: Limit machine check stack to 4GB
        https://git.kernel.org/powerpc/c/d2cbbd45d433b96e41711a293e59cff259143694
[10/16] powerpc/pseries: Machine check use rtas_call_unlocked() with args on stack
        https://git.kernel.org/powerpc/c/2576f5f9169620bf329cf1e91086e6041b98e4b2
[11/16] powerpc/64s: machine check interrupt update NMI accounting
        https://git.kernel.org/powerpc/c/116ac378bb3ff844df333e7609e7604651a0db9d
[12/16] powerpc: Implement ftrace_enabled() helpers
        https://git.kernel.org/powerpc/c/f2d7f62e4abdb03de3f4267361d96c417312d05c
[13/16] powerpc/64s: machine check do not trace real-mode handler
        https://git.kernel.org/powerpc/c/abd106fb437ad1cd8c8df8ccabd0fa941ef6342a
[14/16] powerpc/traps: Do not trace system reset
        https://git.kernel.org/powerpc/c/bbbc8032b00f8ef287894425fbdb691049e28d39
[15/16] powerpc/traps: Make unrecoverable NMIs die instead of panic
        https://git.kernel.org/powerpc/c/265d6e588d87194c2fe2d6c240247f0264e0c19b

cheers