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Message-ID: <CAP-5=fXW2KiHy+wT16nRgQK4xboTzcTH3pMEe3=En7dwUNGJPQ@mail.gmail.com> Date: Tue, 27 Jan 2026 08:11:21 -0800 From: Ian Rogers <irogers@...gle.com> To: "Mi, Dapeng" <dapeng1.mi@...ux.intel.com> Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Adrian Hunter <adrian.hunter@...el.com>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, John Garry <john.g.garry@...cle.com>, Will Deacon <will@...nel.org>, James Clark <james.clark@...aro.org>, Mike Leach <mike.leach@...aro.org>, Guo Ren <guoren@...nel.org>, Paul Walmsley <pjw@...nel.org>, Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>, linux-perf-users@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-csky@...r.kernel.org, linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org, Zide Chen <zide.chen@...el.com>, Falcon Thomas <thomas.falcon@...el.com>, Dapeng Mi <dapeng1.mi@...el.com>, Xudong Hao <xudong.hao@...el.com> Subject: Re: [Patch v2 1/3] perf arch: Update arch headers to use relative UAPI paths On Tue, Jan 27, 2026 at 4:38 AM Mi, Dapeng <dapeng1.mi@...ux.intel.com> wrote: > > > On 1/27/2026 3:02 PM, Dapeng Mi wrote: > > The architectural specific headers perf_regs.h currently rely on the > > host architecture's 'asm/perf_regs.h'. This can lead to compilation > > inconsistencies or failures when including and building perf for a > > target architecture that differs from the host's architecture. > > > > Explicitly point to the UAPI headers within the tools source tree using > > relative paths. This ensures that perf is always built against the > > intended architecture. > > > > No functional changes are intended. > > > > Signed-off-by: Dapeng Mi <dapeng1.mi@...ux.intel.com> > > --- > > tools/perf/arch/arm/include/perf_regs.h | 2 +- > > tools/perf/arch/arm64/include/perf_regs.h | 2 +- > > tools/perf/arch/csky/include/perf_regs.h | 1 + > > tools/perf/arch/loongarch/include/perf_regs.h | 2 +- > > tools/perf/arch/mips/include/perf_regs.h | 2 +- > > tools/perf/arch/powerpc/include/perf_regs.h | 2 +- > > tools/perf/arch/riscv/include/perf_regs.h | 2 +- > > tools/perf/arch/s390/include/perf_regs.h | 2 +- > > tools/perf/arch/x86/include/perf_regs.h | 2 +- > > 9 files changed, 9 insertions(+), 8 deletions(-) > > > > diff --git a/tools/perf/arch/arm/include/perf_regs.h b/tools/perf/arch/arm/include/perf_regs.h > > index 75ce1c370114..20c54766e3a0 100644 > > --- a/tools/perf/arch/arm/include/perf_regs.h > > +++ b/tools/perf/arch/arm/include/perf_regs.h > > @@ -4,7 +4,7 @@ > > > > #include <stdlib.h> > > #include <linux/types.h> > > -#include <asm/perf_regs.h> > > +#include "../../../../arch/arm/include/uapi/asm/perf_regs.h" > > > > void perf_regs_load(u64 *regs); > > > > diff --git a/tools/perf/arch/arm64/include/perf_regs.h b/tools/perf/arch/arm64/include/perf_regs.h > > index 58639ee9f7ea..372f2565a9dd 100644 > > --- a/tools/perf/arch/arm64/include/perf_regs.h > > +++ b/tools/perf/arch/arm64/include/perf_regs.h > > @@ -5,7 +5,7 @@ > > #include <stdlib.h> > > #include <linux/types.h> > > #define perf_event_arm_regs perf_event_arm64_regs > > -#include <asm/perf_regs.h> > > +#include "../../../../arch/arm64/include/uapi/asm/perf_regs.h" > > #undef perf_event_arm_regs > > > > void perf_regs_load(u64 *regs); > > diff --git a/tools/perf/arch/csky/include/perf_regs.h b/tools/perf/arch/csky/include/perf_regs.h > > index 076c7746c8a2..9520e6aa319e 100644 > > --- a/tools/perf/arch/csky/include/perf_regs.h > > +++ b/tools/perf/arch/csky/include/perf_regs.h > > @@ -7,6 +7,7 @@ > > #include <stdlib.h> > > #include <linux/types.h> > > #include <asm/perf_regs.h> > > Oops, the above line was not removed. Would remove it in next version. Aside from this: Reviewed-by: Ian Rogers <irogers@...gle.com> Thanks, Ian > > +#include "../../../../arch/csky/include/uapi/asm/perf_regs.h" > > > > #define PERF_REGS_MASK ((1ULL << PERF_REG_CSKY_MAX) - 1) > > #define PERF_REGS_MAX PERF_REG_CSKY_MAX > > diff --git a/tools/perf/arch/loongarch/include/perf_regs.h b/tools/perf/arch/loongarch/include/perf_regs.h > > index 45c799fa5330..b86078a55e90 100644 > > --- a/tools/perf/arch/loongarch/include/perf_regs.h > > +++ b/tools/perf/arch/loongarch/include/perf_regs.h > > @@ -4,7 +4,7 @@ > > > > #include <stdlib.h> > > #include <linux/types.h> > > -#include <asm/perf_regs.h> > > +#include "../../../../arch/loongarch/include/uapi/asm/perf_regs.h" > > > > #define PERF_REGS_MAX PERF_REG_LOONGARCH_MAX > > > > diff --git a/tools/perf/arch/mips/include/perf_regs.h b/tools/perf/arch/mips/include/perf_regs.h > > index 7082e91e0ed1..66655f0c4fea 100644 > > --- a/tools/perf/arch/mips/include/perf_regs.h > > +++ b/tools/perf/arch/mips/include/perf_regs.h > > @@ -4,7 +4,7 @@ > > > > #include <stdlib.h> > > #include <linux/types.h> > > -#include <asm/perf_regs.h> > > +#include "../../../../arch/mips/include/uapi/asm/perf_regs.h" > > > > #define PERF_REGS_MAX PERF_REG_MIPS_MAX > > > > diff --git a/tools/perf/arch/powerpc/include/perf_regs.h b/tools/perf/arch/powerpc/include/perf_regs.h > > index 1c66f6ba6773..22b492a3dd58 100644 > > --- a/tools/perf/arch/powerpc/include/perf_regs.h > > +++ b/tools/perf/arch/powerpc/include/perf_regs.h > > @@ -4,7 +4,7 @@ > > > > #include <stdlib.h> > > #include <linux/types.h> > > -#include <asm/perf_regs.h> > > +#include "../../../../arch/powerpc/include/uapi/asm/perf_regs.h" > > > > void perf_regs_load(u64 *regs); > > > > diff --git a/tools/perf/arch/riscv/include/perf_regs.h b/tools/perf/arch/riscv/include/perf_regs.h > > index d482edb413e5..89d5bbb8d2b8 100644 > > --- a/tools/perf/arch/riscv/include/perf_regs.h > > +++ b/tools/perf/arch/riscv/include/perf_regs.h > > @@ -6,7 +6,7 @@ > > > > #include <stdlib.h> > > #include <linux/types.h> > > -#include <asm/perf_regs.h> > > +#include "../../../../arch/riscv/include/uapi/asm/perf_regs.h" > > > > #define PERF_REGS_MASK ((1ULL << PERF_REG_RISCV_MAX) - 1) > > #define PERF_REGS_MAX PERF_REG_RISCV_MAX > > diff --git a/tools/perf/arch/s390/include/perf_regs.h b/tools/perf/arch/s390/include/perf_regs.h > > index 130dfad2b96a..9c95589965fe 100644 > > --- a/tools/perf/arch/s390/include/perf_regs.h > > +++ b/tools/perf/arch/s390/include/perf_regs.h > > @@ -3,7 +3,7 @@ > > > > #include <stdlib.h> > > #include <linux/types.h> > > -#include <asm/perf_regs.h> > > +#include "../../../../arch/s390/include/uapi/asm/perf_regs.h" > > > > void perf_regs_load(u64 *regs); > > > > diff --git a/tools/perf/arch/x86/include/perf_regs.h b/tools/perf/arch/x86/include/perf_regs.h > > index f209ce2c1dd9..5495e5ca7cdc 100644 > > --- a/tools/perf/arch/x86/include/perf_regs.h > > +++ b/tools/perf/arch/x86/include/perf_regs.h > > @@ -4,7 +4,7 @@ > > > > #include <stdlib.h> > > #include <linux/types.h> > > -#include <asm/perf_regs.h> > > +#include "../../../../arch/x86/include/uapi/asm/perf_regs.h" > > > > void perf_regs_load(u64 *regs); > >
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