linux-kernel - Re: [PATCH 6.7 000/163] 6.7.9-rc2 review

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Date: Tue, 5 Mar 2024 11:26:38 +0000
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Ron Economos <re@...z.net>
Cc: Conor Dooley <conor.dooley@...rochip.com>, stable@...r.kernel.org,
	patches@...ts.linux.dev, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
	lkft-triage@...ts.linaro.org, pavel@...x.de, jonathanh@...dia.com,
	f.fainelli@...il.com, sudipm.mukherjee@...il.com,
	srw@...dewatkins.net, rwarsow@....de, conor@...nel.org,
	allen.lkml@...il.com
Subject: Re: [PATCH 6.7 000/163] 6.7.9-rc2 review

On Tue, Mar 05, 2024 at 01:52:59AM -0800, Ron Economos wrote:
> On 3/5/24 1:48 AM, Ron Economos wrote:
> > On 3/5/24 1:27 AM, Ron Economos wrote:
> > > On 3/5/24 12:31 AM, Conor Dooley wrote:
> > > > On Tue, Mar 05, 2024 at 07:58:57AM +0000, Greg Kroah-Hartman wrote:
> > > > > This is the start of the stable review cycle for the 6.7.9 release.
> > > > > There are 163 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 Thu, 07 Mar 2024 07:46:26 +0000.
> > > > > Anything received after that time might be too late.
> > > > > Samuel Holland <samuel.holland@...ive.com>
> > > > >      riscv: Save/restore envcfg CSR during CPU suspend
> > > > > 
> > > > > Samuel Holland <samuel.holland@...ive.com>
> > > > >      riscv: Add a custom ISA extension for the [ms]envcfg CSR
> > > > I left a comment in response to the off-list email about this patch,
> > > > I don't think it's gonna work as the number this custom extension has
> > > > been given exceeds the max in 6.7/
> > > > 
> > > > Cheers,
> > > > Conor.
> > > > 
> > > > > Samuel Holland <samuel.holland@...ive.com>
> > > > >      riscv: Fix enabling cbo.zero when running in M-mode
> > > 
> > > Yeah, it doesn't work. Here's the new error:
> > > 
> > > arch/riscv/kernel/cpufeature.c:180:9: error: implicit declaration of
> > > function '__RISCV_ISA_EXT_SUPERSET'; did you mean
> > > 'RISCV_ISA_EXT_SVPBMT'? [-Werror=implicit-function-declaration]
> > >   180 |         __RISCV_ISA_EXT_SUPERSET(zicbom,
> > > RISCV_ISA_EXT_ZICBOM, riscv_xlinuxenvcfg_exts),
> > >       |         ^~~~~~~~~~~~~~~~~~~~~~~~
> > >       |         RISCV_ISA_EXT_SVPBMT
> > > arch/riscv/kernel/cpufeature.c:180:34: error: 'zicbom' undeclared
> > > here (not in a function)
> > >   180 |         __RISCV_ISA_EXT_SUPERSET(zicbom,
> > > RISCV_ISA_EXT_ZICBOM, riscv_xlinuxenvcfg_exts),
> > >       |                                  ^~~~~~
> > > arch/riscv/kernel/cpufeature.c:181:34: error: 'zicboz' undeclared
> > > here (not in a function)
> > >   181 |         __RISCV_ISA_EXT_SUPERSET(zicboz,
> > > RISCV_ISA_EXT_ZICBOZ, riscv_xlinuxenvcfg_exts),
> > >       |                                  ^~~~~~
> > > cc1: some warnings being treated as errors
> > > make[4]: *** [scripts/Makefile.build:243:
> > > arch/riscv/kernel/cpufeature.o] Error 1
> > > make[3]: *** [scripts/Makefile.build:480: arch/riscv/kernel] Error 2
> > > make[2]: *** [scripts/Makefile.build:480: arch/riscv] Error 2
> > > 
> > > 
> > This depends on a much earlier patch, "riscv: add ISA extension parsing
> > for vector crypto" (upstream commit
> > aec3353963b8de889c3f1ab7cc8ba11e99626606).
> > 
> > I think the best solution will be to revert all three patches.
> > 
> > riscv: Save/restore envcfg CSR during CPU suspend
> > 
> > riscv: Add a custom ISA extension for the [ms]envcfg CSR
> > 
> > riscv: Fix enabling cbo.zero when running in M-mode
> > 
> > 
> > 
> Sorry, "riscv: Fix enabling cbo.zero when running in M-mode" is okay. Just
> the first two.

Ok, will go drop both of them now and will push out a -rc3.

thanks,

greg k-h