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Message-ID: <8dcac250-474a-6102-1a60-b8ad84eb0a4b@bytedance.com>
Date: Fri, 24 Feb 2023 19:17:27 +0000
From: Usama Arif <usama.arif@...edance.com>
To: David Woodhouse <dwmw2@...radead.org>,
"Michael Kelley (LINUX)" <mikelley@...rosoft.com>,
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Subject: Re: [External] Re: [PATCH v11 09/12] x86/smpboot: Remove
initial_stack on 64-bit
On 24/02/2023 18:28, David Woodhouse wrote:
> On Fri, 2023-02-24 at 18:24 +0000, Michael Kelley (LINUX) wrote:
>> I'm getting a compile error on the new reference to PTREGS_SIZE:
>
> Is it just that <asm/asm-offsets.h> is included conditionally, and not
> in your build? What if you include it directly from <asm/processor.h>
This is fixed in the v2 patch that Brian sent.
diff --git a/arch/x86/include/asm/processor.h
b/arch/x86/include/asm/processor.h
index 9c4a5c4d46c1..bdde7316e75b 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -650,8 +650,8 @@ static inline void spin_lock_prefetch(const void *x)
#else
extern unsigned long __end_init_task[];
-#define INIT_THREAD { \
- .sp = (unsigned long)&__end_init_task - PTREGS_SIZE, \
+#define INIT_THREAD {
\
+ .sp = (unsigned long)&__end_init_task - sizeof(struct
pt_regs), \
}
extern unsigned long KSTK_ESP(struct task_struct *task);
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