[PATCH 1/1] lib: sbi_scratch: remove owner from sbi_scratch_alloc_offset

Anup Patel Anup.Patel at wdc.com
Wed Jun 2 04:43:10 PDT 2021



> -----Original Message-----
> From: opensbi <opensbi-bounces at lists.infradead.org> On Behalf Of Xiang W
> Sent: 01 June 2021 20:38
> To: Heinrich Schuchardt <xypron.glpk at gmx.de>; OpenSBI
> <opensbi at lists.infradead.org>
> Cc: Anup Patel <Anup.Patel at wdc.com>; Atish Patra <Atish.Patra at wdc.com>
> Subject: Re: [PATCH 1/1] lib: sbi_scratch: remove owner from
> sbi_scratch_alloc_offset
> 
> 在 2021-05-29星期六的 21:54 +0200,Heinrich Schuchardt写道:
> > The parameter owner of function sbi_scratch_alloc_offset() is never
> > used.
> > The scratch memory is small. We should not use it for debug
> > information in future. Hence eliminate the parameter.
> >
> > Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> Look good to me.
> 
> Reviewed-by: Xiang W <wxjstz at 126.com>

Looks good to me.

Reviewed-by: Anup Patel <anup.patel at wdc.com>

Applied this patch to the riscv/opensbi repo

Thanks,
Anup

> > ---
> >  include/sbi/sbi_scratch.h | 2 +-
> >  lib/sbi/sbi_hart.c        | 3 +--
> >  lib/sbi/sbi_hsm.c         | 3 +--
> >  lib/sbi/sbi_init.c        | 3 +--
> >  lib/sbi/sbi_ipi.c         | 3 +--
> >  lib/sbi/sbi_scratch.c     | 2 +-
> >  lib/sbi/sbi_timer.c       | 3 +--
> >  lib/sbi/sbi_tlb.c         | 9 +++------
> >  8 files changed, 10 insertions(+), 18 deletions(-)
> >
> > diff --git a/include/sbi/sbi_scratch.h b/include/sbi/sbi_scratch.h
> > index e83b234..186a40c 100644
> > --- a/include/sbi/sbi_scratch.h
> > +++ b/include/sbi/sbi_scratch.h
> > @@ -98,7 +98,7 @@ int sbi_scratch_init(struct sbi_scratch *scratch);
> >   * @return zero on failure and non-zero (>=
> > SBI_SCRATCH_EXTRA_SPACE_OFFSET)
> >   * on success
> >   */
> > -unsigned long sbi_scratch_alloc_offset(unsigned long size, const char
> > *owner);
> > +unsigned long sbi_scratch_alloc_offset(unsigned long size);
> >
> >  /** Free-up extra space in sbi_scratch */
> >  void sbi_scratch_free_offset(unsigned long offset); diff --git
> > a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c index de59b14..56878b4
> > 100644
> > --- a/lib/sbi/sbi_hart.c
> > +++ b/lib/sbi/sbi_hart.c
> > @@ -451,8 +451,7 @@ int sbi_hart_init(struct sbi_scratch *scratch,
> > bool cold_boot)
> >                         sbi_hart_expected_trap =
> > &__sbi_expected_trap_hext;
> >
> >                 hart_features_offset = sbi_scratch_alloc_offset(
> > -                                               sizeof(struct
> > hart_features),
> > -                                               "HART_FEATURES");
> > +                                               sizeof(struct
> > hart_features));
> >                 if (!hart_features_offset)
> >                         return SBI_ENOMEM;
> >         }
> > diff --git a/lib/sbi/sbi_hsm.c b/lib/sbi/sbi_hsm.c index
> > 4662150..67890f3 100644
> > --- a/lib/sbi/sbi_hsm.c
> > +++ b/lib/sbi/sbi_hsm.c
> > @@ -185,8 +185,7 @@ int sbi_hsm_init(struct sbi_scratch *scratch, u32
> > hartid, bool cold_boot)
> >         struct sbi_hsm_data *hdata;
> >
> >         if (cold_boot) {
> > -               hart_data_offset =
> > sbi_scratch_alloc_offset(sizeof(*hdata),
> > - "HART_DATA");
> > +               hart_data_offset =
> > sbi_scratch_alloc_offset(sizeof(*hdata));
> >                 if (!hart_data_offset)
> >                         return SBI_ENOMEM;
> >
> > diff --git a/lib/sbi/sbi_init.c b/lib/sbi/sbi_init.c index
> > 3f44a2b..b158314 100644
> > --- a/lib/sbi/sbi_init.c
> > +++ b/lib/sbi/sbi_init.c
> > @@ -233,8 +233,7 @@ static void __noreturn init_coldboot(struct
> > sbi_scratch *scratch, u32 hartid)
> >         if (rc)
> >                 sbi_hart_hang();
> >
> > -       init_count_offset =
> > sbi_scratch_alloc_offset(__SIZEOF_POINTER__,
> > -                                                    "INIT_COUNT");
> > +       init_count_offset =
> > sbi_scratch_alloc_offset(__SIZEOF_POINTER__);
> >         if (!init_count_offset)
> >                 sbi_hart_hang();
> >
> > diff --git a/lib/sbi/sbi_ipi.c b/lib/sbi/sbi_ipi.c index
> > bfaf4e9..75f86d8 100644
> > --- a/lib/sbi/sbi_ipi.c
> > +++ b/lib/sbi/sbi_ipi.c
> > @@ -227,8 +227,7 @@ int sbi_ipi_init(struct sbi_scratch *scratch, bool
> > cold_boot)
> >         struct sbi_ipi_data *ipi_data;
> >
> >         if (cold_boot) {
> > -               ipi_data_off =
> > sbi_scratch_alloc_offset(sizeof(*ipi_data),
> > -                                                       "IPI_DATA");
> > +               ipi_data_off =
> > sbi_scratch_alloc_offset(sizeof(*ipi_data));
> >                 if (!ipi_data_off)
> >                         return SBI_ENOMEM;
> >                 ret = sbi_ipi_event_create(&ipi_smode_ops);
> > diff --git a/lib/sbi/sbi_scratch.c b/lib/sbi/sbi_scratch.c index
> > 96bae5b..7cf5b43 100644
> > --- a/lib/sbi/sbi_scratch.c
> > +++ b/lib/sbi/sbi_scratch.c
> > @@ -40,7 +40,7 @@ int sbi_scratch_init(struct sbi_scratch *scratch)
> >         return 0;
> >  }
> >
> > -unsigned long sbi_scratch_alloc_offset(unsigned long size, const char
> > *owner)
> > +unsigned long sbi_scratch_alloc_offset(unsigned long size)
> >  {
> >         u32 i;
> >         void *ptr;
> > diff --git a/lib/sbi/sbi_timer.c b/lib/sbi/sbi_timer.c index
> > 63e8ea9..77d6f95 100644
> > --- a/lib/sbi/sbi_timer.c
> > +++ b/lib/sbi/sbi_timer.c
> > @@ -121,8 +121,7 @@ int sbi_timer_init(struct sbi_scratch *scratch,
> > bool cold_boot)
> >         const struct sbi_platform *plat = sbi_platform_ptr(scratch);
> >
> >         if (cold_boot) {
> > -               time_delta_off =
> > sbi_scratch_alloc_offset(sizeof(*time_delta),
> > - "TIME_DELTA");
> > +               time_delta_off =
> > sbi_scratch_alloc_offset(sizeof(*time_delta));
> >                 if (!time_delta_off)
> >                         return SBI_ENOMEM;
> >
> > diff --git a/lib/sbi/sbi_tlb.c b/lib/sbi/sbi_tlb.c index
> > 73f59e8..2ba1b7b 100644
> > --- a/lib/sbi/sbi_tlb.c
> > +++ b/lib/sbi/sbi_tlb.c
> > @@ -380,19 +380,16 @@ int sbi_tlb_init(struct sbi_scratch *scratch,
> > bool cold_boot)
> >         const struct sbi_platform *plat = sbi_platform_ptr(scratch);
> >
> >         if (cold_boot) {
> > -               tlb_sync_off =
> > sbi_scratch_alloc_offset(sizeof(*tlb_sync),
> > -
> >                                                        "IPI_TLB_SYNC")
> > ;
> > +               tlb_sync_off =
> > sbi_scratch_alloc_offset(sizeof(*tlb_sync));
> >                 if (!tlb_sync_off)
> >                         return SBI_ENOMEM;
> > -               tlb_fifo_off =
> > sbi_scratch_alloc_offset(sizeof(*tlb_q),
> > -
> >                                                        "IPI_TLB_FIFO")
> > ;
> > +               tlb_fifo_off =
> > sbi_scratch_alloc_offset(sizeof(*tlb_q));
> >                 if (!tlb_fifo_off) {
> >                         sbi_scratch_free_offset(tlb_sync_off);
> >                         return SBI_ENOMEM;
> >                 }
> >                 tlb_fifo_mem_off = sbi_scratch_alloc_offset(
> > -                               SBI_TLB_FIFO_NUM_ENTRIES *
> > SBI_TLB_INFO_SIZE,
> > -                               "IPI_TLB_FIFO_MEM");
> > +                               SBI_TLB_FIFO_NUM_ENTRIES *
> > SBI_TLB_INFO_SIZE);
> >                 if (!tlb_fifo_mem_off) {
> >                         sbi_scratch_free_offset(tlb_fifo_off);
> >                         sbi_scratch_free_offset(tlb_sync_off);
> > --
> > 2.30.2
> >
> >
> 
> 
> 
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