Re: [PATCH 4.14 03/69] x86/power/64: Use struct desc_ptr for the IDT in struct saved_context
- Date: Mon, 15 Apr 2019 22:07:26 +0200
- From: Pavel Machek <pavel@xxxxxxx>
- Subject: Re: [PATCH 4.14 03/69] x86/power/64: Use struct desc_ptr for the IDT in struct saved_context
On Mon 2019-04-15 20:58:21, Greg Kroah-Hartman wrote: > [ Upstream commit 090edbe23ff57940fca7f57d9165ce57a826bd7a ] > > x86_64's saved_context nonsensically used separate idt_limit and > idt_base fields and then cast &idt_limit to struct desc_ptr *. > > This was correct (with -fno-strict-aliasing), but it's confusing, > served no purpose, and required #ifdeffery. Simplify this by > using struct desc_ptr directly. > > No change in functionality. While this is nice cleanup, I don't think it fixes real bug. I don't think it is suitable for stable. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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- References:
- [PATCH 4.14 00/69] 4.14.112-stable review
- From: Greg Kroah-Hartman
- [PATCH 4.14 03/69] x86/power/64: Use struct desc_ptr for the IDT in struct saved_context
- From: Greg Kroah-Hartman
- [PATCH 4.14 00/69] 4.14.112-stable review
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