On Mon, Apr 15, 2024 at 8:43 PM Tao Liu <ltao@xxxxxxxxxx> wrote:
Hi Alexander,
The patch looks good to me, so ack.
Thanks,
Tao Liu
On Mon, Apr 15, 2024 at 2:41 PM Lianbo Jiang <lijiang@xxxxxxxxxx> wrote:
>
> Hi, Alexander
>
> Thank you for the early fix.
>
> On 4/10/24 22:15, devel-request@xxxxxxxxxxxxxxxxxxxxxxxxxxx wrote:
> > Date: Wed, 10 Apr 2024 14:55:35 +0200
> > From: Alexander Gordeev<agordeev@xxxxxxxxxxxxx>
> > Subject: [PATCH] Reflect __{start,end}_init_task
> > kernel symbols rename
> > To:devel@xxxxxxxxxxxxxxxxxxxxxxxxxxx
> > Cc: Alexander Egorenkov<egorenar@xxxxxxxxxxxxx>
> > Message-ID:<20240410125535.2891355-1-agordeev@xxxxxxxxxxxxx>
> >
> > Kernel commit 8f69cba096b5 ("x86: Rename __{start,end}_init_task to
> > __{start,end}_init_stack") leads to failure:
> >
> > crash: invalid count request: 0
>
> Could you please point out which command caused the current failure? or
> failed when crash load?
>
>
> Anyway, the code changes are fine to me.
>
>
> Thanks
>
> Lianbo
>
> > Assume both __{start,end}_init_task and __{start,end}_init_stack
> > symbols could exist for backward compatibility.
> >
> > Signed-off-by: Alexander Gordeev<agordeev@xxxxxxxxxxxxx>
> > ---
> > task.c | 7 +++++++
> > 1 file changed, 7 insertions(+)
> >
Currently kernel commit 8f69cba096b5 is in the linux master branch.
Applied:
Thanks
Lianbo
> > diff --git a/task.c b/task.c
> > index ebdb5be..88e1d50 100644
> > --- a/task.c
> > +++ b/task.c
> > @@ -496,10 +496,17 @@ task_init(void)
> > ((len = SIZE(thread_union)) != STACKSIZE())) {
> > machdep->stacksize = len;
> > } else if (!VALID_SIZE(thread_union) && !VALID_SIZE(task_union)) {
> > + len = 0;
> > if (kernel_symbol_exists("__start_init_task") &&
> > kernel_symbol_exists("__end_init_task")) {
> > len = symbol_value("__end_init_task");
> > len -= symbol_value("__start_init_task");
> > + } else if (kernel_symbol_exists("__start_init_stack") &&
> > + kernel_symbol_exists("__end_init_stack")) {
> > + len = symbol_value("__end_init_stack");
> > + len -= symbol_value("__start_init_stack");
> > + }
> > + if (len) {
> > ASSIGN_SIZE(thread_union) = len;
> > machdep->stacksize = len;
> > }
> > -- 2.40.1
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