linux-kernel - Re: review for 5.16.3-rc2

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Date:   Tue, 25 Jan 2022 21:49:00 +0530
From:   Jeffrin Thalakkottoor <jeffrin@...agiritech.edu.in>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: review for 5.16.3-rc2

On Tue, Jan 25, 2022 at 8:04 PM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Tue, Jan 25, 2022 at 06:15:46PM +0530, Jeffrin Jose T wrote:
> > hello greg,
> >
> > compile failed for  5.16.3-rc2 related.
> > a relevent file attached.
> >
> > Tested-by : Jeffrin Jose T <jeffrin@...agiritech.edu.in>
>
> But it failed for you, how did you test it?

i compiled  5.16.3-rc2  related to "make localmodconfig" and  "make  -j4"


>
> >
> >
>
> >       char *                     typetab;              /*    24     8 */
> >
> >       /* size: 32, cachelines: 1, members: 4 */
> >       /* sum members: 28, holes: 1, sum holes: 4 */
> >       /* last cacheline: 32 bytes */
> > };
> > struct klp_modinfo {
> >       Elf64_Ehdr                 hdr;                  /*     0    64 */
> >       /* --- cacheline 1 boundary (64 bytes) --- */
> >       Elf64_Shdr *               sechdrs;              /*    64     8 */
> >       char *                     secstrings;           /*    72     8 */
> >       unsigned int               symndx;               /*    80     4 */
> >
> >       /* size: 88, cachelines: 2, members: 4 */
> >       /* padding: 4 */
> >       /* last cacheline: 24 bytes */
> > };
> > Segmentation fault
>
> What "faulted"?  Look higher up in the log please.

a top view...

  CALL    scripts/atomic/check-atomics.sh
  CALL    scripts/checksyscalls.sh
  CHK     include/generated/compile.h
  GEN     .version
  CHK     include/generated/compile.h
  UPD     include/generated/compile.h
  CC      init/version.o
  AR      init/built-in.a
  LD      vmlinux.o
  MODPOST vmlinux.symvers
  MODINFO modules.builtin.modinfo
  GEN     modules.builtin
  LD      .tmp_vmlinux.btf
  BTF     .btf.vmlinux.bin.o
struct list_head {
    struct list_head *         next;                 /*     0     8 */
    struct list_head *         prev;                 /*     8     8 */

    /* size: 16, cachelines: 1, members: 2 */
    /* last cacheline: 16 bytes */
};
struct hlist_head {
    struct hlist_node *        first;                /*     0     8 */

    /* size: 8, cachelines: 1, members: 1 */
    /* last cacheline: 8 bytes */
};
struct hlist_node {
    struct hlist_node *        next;                 /*     0     8 */
    struct hlist_node * *      pprev;                /*     8     8 */

    /* size: 16, cachelines: 1, members: 2 */
    /* last cacheline: 16 bytes */
};
struct callback_head {
    struct callback_head *     next;                 /*     0     8 */
    void                       (*func)(struct callback_head *); /*
8     8 */
.
.
.
.
.
.


$

-- 
software engineer
rajagiri school of engineering and technology