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um: Remove unused ipi_pipe field from cpuinfo_um

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It's no longer used after the removal of the SMP implementation in
TT mode by commit 28fa468f53 ("um: Remove broken SMP support").

While at it, remove the outdated comment.

Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Tiwei Bie 2025-08-10 13:51:33 +08:00 committed by Johannes Berg
parent be6a0372be
commit e66ae377fe
2 changed files with 0 additions and 4 deletions
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1
arch/um/include/asm/processor-generic.h
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@ -71,7 +71,6 @@ extern void start_thread(struct pt_regs *regs, unsigned long entry,
struct cpuinfo_um {
unsigned long loops_per_jiffy;
int ipi_pipe[2];
int cache_alignment;
union {
__u32 x86_capability[NCAPINTS + NBUGINTS];

3
arch/um/kernel/um_arch.c
View File

@ -54,12 +54,9 @@ static void __init add_arg(char *arg)
/*
* These fields are initialized at boot time and not changed.
* XXX This structure is used only in the non-SMP case. Maybe this
* should be moved to smp.c.
*/
struct cpuinfo_um boot_cpu_data = {
.loops_per_jiffy = 0,
.ipi_pipe = { -1, -1 },
.cache_alignment = L1_CACHE_BYTES,
.x86_capability = { 0 }
};