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Groups > linux.kernel > #1659743
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 13/17] RISC-V: Add include subdirectory |
| Date | 2017-06-07 14:30 +0200 |
| Message-ID | <tPIg1-6zL-9@gated-at.bofh.it> (permalink) |
| References | <tK6bn-4ju-3@gated-at.bofh.it> <tPvLP-6UA-3@gated-at.bofh.it> <tPvLR-6UA-49@gated-at.bofh.it> <tPHWG-6rv-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Jun 07, 2017 at 02:06:13PM +0200, Peter Zijlstra wrote:
> On Tue, Jun 06, 2017 at 04:00:03PM -0700, Palmer Dabbelt wrote:
> > +static inline int atomic_fetch_sub(unsigned int mask, atomic_t *v)
> > +{
> > + int out;
> > +
> > + __asm__ __volatile__ (
> > + "amosub.w %2, %1, %0"
> > + : "+A" (v->counter), "=r" (out)
> > + : "r" (mask));
> > + return out;
> > +}
Your instruction manual does not list AMOSUB as a valid instruction. So
either it is wrong or this code never compiled. Please clarify.
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RISC-V Linux Port v2 Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-07 01:10 +0200
[PATCH 06/17] pci: Add generic pcibios_{fixup_bus,align_resource} Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-07 01:10 +0200
Re: [PATCH 06/17] pci: Add generic pcibios_{fixup_bus,align_resource} Geert Uytterhoeven <geert@linux-m68k.org> - 2017-06-07 09:30 +0200
Re: [PATCH 06/17] pci: Add generic pcibios_{fixup_bus,align_resource} Arnd Bergmann <arnd@arndb.de> - 2017-06-07 10:10 +0200
Re: [PATCH 06/17] pci: Add generic pcibios_{fixup_bus,align_resource} Christoph Hellwig <hch@infradead.org> - 2017-06-08 10:20 +0200
Re: [PATCH 06/17] pci: Add generic pcibios_{fixup_bus,align_resource} Arnd Bergmann <arnd@arndb.de> - 2017-06-08 10:40 +0200
[PATCH 08/17] dts: include documentation for the RISC-V interrupt controllers Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-07 01:10 +0200
Re: [PATCH 08/17] dts: include documentation for the RISC-V interrupt controllers Geert Uytterhoeven <geert@linux-m68k.org> - 2017-06-07 09:20 +0200
Re: [PATCH 08/17] dts: include documentation for the RISC-V interrupt controllers Mark Rutland <mark.rutland@arm.com> - 2017-06-07 12:20 +0200
Re: [PATCH 08/17] dts: include documentation for the RISC-V interrupt controllers Wesley Terpstra <wesley@sifive.com> - 2017-06-07 21:00 +0200
Re: [PATCH 08/17] dts: include documentation for the RISC-V interrupt controllers Rob Herring <robh+dt@kernel.org> - 2017-06-07 22:00 +0200
Re: [PATCH 08/17] dts: include documentation for the RISC-V interrupt controllers Wesley Terpstra <wesley@sifive.com> - 2017-06-07 22:40 +0200
Re: [PATCH 08/17] dts: include documentation for the RISC-V interrupt controllers Mark Rutland <mark.rutland@arm.com> - 2017-06-08 13:00 +0200
Re: [PATCH 08/17] dts: include documentation for the RISC-V interrupt controllers Wesley Terpstra <wesley@sifive.com> - 2017-06-09 23:50 +0200
Re: [PATCH 08/17] dts: include documentation for the RISC-V interrupt controllers Wesley Terpstra <wesley@sifive.com> - 2017-06-10 00:00 +0200
Re: [PATCH 08/17] dts: include documentation for the RISC-V interrupt controllers Mark Rutland <mark.rutland@arm.com> - 2017-06-19 16:40 +0200
Re: [PATCH 08/17] dts: include documentation for the RISC-V interrupt controllers "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-06-08 00:30 +0200
[PATCH 11/17] irqchip: RISC-V Local Interrupt Controller Driver Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-07 01:10 +0200
Re: [PATCH 11/17] irqchip: RISC-V Local Interrupt Controller Driver Geert Uytterhoeven <geert@linux-m68k.org> - 2017-06-07 09:20 +0200
[PATCH 01/17] drivers: support PCIe in RISCV Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-07 01:10 +0200
Re: [PATCH 01/17] drivers: support PCIe in RISCV Geert Uytterhoeven <geert@linux-m68k.org> - 2017-06-07 09:20 +0200
Re: [PATCH 01/17] drivers: support PCIe in RISCV Christoph Hellwig <hch@infradead.org> - 2017-06-07 16:30 +0200
Re: [PATCH 01/17] drivers: support PCIe in RISCV Olof Johansson <olof@lixom.net> - 2017-06-07 19:50 +0200
[PATCH 15/17] RISC-V: Add mm subdirectory Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-07 01:10 +0200
[PATCH 09/17] clocksource/timer-riscv: New RISC-V Clocksource Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-07 01:10 +0200
Re: [PATCH 09/17] clocksource/timer-riscv: New RISC-V Clocksource Geert Uytterhoeven <geert@linux-m68k.org> - 2017-06-07 09:20 +0200
Re: [PATCH 09/17] clocksource/timer-riscv: New RISC-V Clocksource Arnd Bergmann <arnd@arndb.de> - 2017-06-07 09:30 +0200
Re: [PATCH 09/17] clocksource/timer-riscv: New RISC-V Clocksource Marc Zyngier <marc.zyngier@arm.com> - 2017-06-07 11:50 +0200
Re: RISC-V Linux Port v2 David Howells <dhowells@redhat.com> - 2017-06-07 09:30 +0200
Re: RISC-V Linux Port v2 Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-08 00:00 +0200
Re: [PATCH 13/17] RISC-V: Add include subdirectory Arnd Bergmann <arnd@arndb.de> - 2017-06-07 10:20 +0200
Re: RISC-V Linux Port v2 Will Deacon <will.deacon@arm.com> - 2017-06-07 11:30 +0200
Re: RISC-V Linux Port v2 Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-08 00:00 +0200
Re: RISC-V Linux Port v2 Will Deacon <will.deacon@arm.com> - 2017-06-08 12:30 +0200
Re: RISC-V Linux Port v2 Palmer Dabbelt <palmer@dabbelt.com> - 2017-06-08 20:20 +0200
Re: [PATCH 13/17] RISC-V: Add include subdirectory Peter Zijlstra <peterz@infradead.org> - 2017-06-07 14:00 +0200
Re: [PATCH 13/17] RISC-V: Add include subdirectory Peter Zijlstra <peterz@infradead.org> - 2017-06-07 14:30 +0200
Re: [PATCH 13/17] RISC-V: Add include subdirectory Peter Zijlstra <peterz@infradead.org> - 2017-06-07 14:10 +0200
Re: [PATCH 13/17] RISC-V: Add include subdirectory Peter Zijlstra <peterz@infradead.org> - 2017-06-07 14:30 +0200
Re: [PATCH 13/17] RISC-V: Add include subdirectory Peter Zijlstra <peterz@infradead.org> - 2017-06-07 14:40 +0200
Re: [PATCH 13/17] RISC-V: Add include subdirectory Peter Zijlstra <peterz@infradead.org> - 2017-06-07 15:00 +0200
Re: [PATCH 13/17] RISC-V: Add include subdirectory Will Deacon <will.deacon@arm.com> - 2017-06-07 15:20 +0200
Re: [PATCH 13/17] RISC-V: Add include subdirectory Peter Zijlstra <peterz@infradead.org> - 2017-06-07 18:40 +0200
Re: [PATCH 13/17] RISC-V: Add include subdirectory Peter Zijlstra <peterz@infradead.org> - 2017-06-07 14:50 +0200
Re: [PATCH 13/17] RISC-V: Add include subdirectory Peter Zijlstra <peterz@infradead.org> - 2017-06-07 15:20 +0200
Re: [PATCH 13/17] RISC-V: Add include subdirectory Peter Zijlstra <peterz@infradead.org> - 2017-06-09 10:20 +0200
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