On Sun Apr 30, 2023 at 6:14 AM AEST, Palmer Dabbelt wrote:
> On Fri, 28 Apr 2023 23:33:48 PDT (-0700), npig...@gmail.com wrote:
> > This option was created in commit 554b0004d0ec4 ("vtime: Add
> > HAVE_VIRT_CPU_ACCOUNTING_GEN Kconfig") for architectures to indicate
> > they support the 64-bit cputime_t required for VIRT_CPU_ACCOUNTING_GEN.
> >
> > The cputime_t type has since been removed, so this doesn't have any
> > meaning. Remove it.
> >
> > Cc: linux-a...@vger.kernel.org
> > Cc: linux-ker...@vger.kernel.org
> > Cc: Vineet Gupta <vgu...@kernel.org>
> > Cc: linux-snps-...@lists.infradead.org
> > Cc: Brian Cain <bc...@quicinc.com>
> > Cc: linux-hexa...@vger.kernel.org
> > Cc: Huacai Chen <chenhua...@kernel.org>
> > Cc: loonga...@lists.linux.dev
> > Cc: Geert Uytterhoeven <ge...@linux-m68k.org>
> > Cc: linux-m...@lists.linux-m68k.org
> > Cc: Michal Simek <mon...@monstr.eu>
> > Cc: Thomas Bogendoerfer <tsbog...@alpha.franken.de>
> > Cc: linux-m...@vger.kernel.org
> > Cc: Dinh Nguyen <dingu...@kernel.org>
> > Cc: Jonas Bonn <jo...@southpole.se>
> > Cc: Stefan Kristiansson <stefan.kristians...@saunalahti.fi>
> > Cc: Stafford Horne <sho...@gmail.com>
> > Cc: linux-openr...@vger.kernel.org
> > Cc: "James E.J. Bottomley" <james.bottom...@hansenpartnership.com>
> > Cc: Helge Deller <del...@gmx.de>
> > Cc: linux-par...@vger.kernel.org
> > Cc: Paul Walmsley <paul.walms...@sifive.com>
> > Cc: Palmer Dabbelt <pal...@dabbelt.com>
> > Cc: Albert Ou <a...@eecs.berkeley.edu>
> > Cc: linux-ri...@lists.infradead.org
> > Cc: Yoshinori Sato <ys...@users.sourceforge.jp>
> > Cc: Rich Felker <dal...@libc.org>
> > Cc: John Paul Adrian Glaubitz <glaub...@physik.fu-berlin.de>
> > Cc: linux...@vger.kernel.org
> > Cc: "David S. Miller" <da...@davemloft.net>
> > Cc: sparcli...@vger.kernel.org
> > Cc: Richard Weinberger <rich...@nod.at>
> > Cc: Anton Ivanov <anton.iva...@cambridgegreys.com>
> > Cc: Johannes Berg <johan...@sipsolutions.net>
> > Cc: linux-um@lists.infradead.org
> > Cc: Thomas Gleixner <t...@linutronix.de>
> > Cc: Ingo Molnar <mi...@redhat.com>
> > Cc: Borislav Petkov <b...@alien8.de>
> > Cc: Dave Hansen <dave.han...@linux.intel.com>
> > Cc: x...@kernel.org
> > Cc: "H. Peter Anvin" <h...@zytor.com>
> > Cc: Kevin Hilman <khil...@baylibre.com>
> > Cc: Frederic Weisbecker <frede...@kernel.org>
> > Signed-off-by: Nicholas Piggin <npig...@gmail.com>
> > ---
> > Hi,
> >
> > Could we tidy this? I don't know what tree it can go in, timers,
> > sched, asm-generic, probably doesn't matter.
> >
> > The only thing this actually does is gate VIRT_CPU_ACCOUNTING_GEN and
> > NO_HZ_FULL so if your arch has some other issue that requires this
> > then the documentation needs to change. Any concerns from the archs?
> > I.e., 32-bit that does *not* define HAVE_VIRT_CPU_ACCOUNTING_GEN
> > which looks to be:
> >
> > arc
> > hexagon
> > loongarch 32-bit with SMP
> > m68k
> > microblaze
> > mips 32-bit with SMP
> > nios2
> > openrisc
> > parisc 32-bit
> > riscv 32-bit
>
> Nothing's jumping out, though I haven't tested this yet so I'm not 100%.
> I assume this isn't aimed for this merge window, given the timing?
No, maybe the next one though.
> Probably best to give this sort of thing time to bake in linux-next, but
> I doubt anyone is even paying attention to rv32/NO_HZ_FULL so no big
> deal either way on my end.
>
> Acked-by: Palmer Dabbelt <pal...@rivosinc.com> # RISC-V
Thanks,
Nick
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