From: "Jan Beulich" <JBeulich@suse.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Tim Deegan <tim@xen.org>, Keir Fraser <keir@xen.org>,
Xen-devel <xen-devel@lists.xen.org>
Subject: Re: [PATCH v2 10/10] x86/misc: Post cleanup
Date: Fri, 16 May 2014 16:10:28 +0100 [thread overview]
Message-ID: <5376468402000078000132FE@mail.emea.novell.com> (raw)
In-Reply-To: <1400236782-28492-11-git-send-email-andrew.cooper3@citrix.com>
>>> On 16.05.14 at 12:39, <andrew.cooper3@citrix.com> wrote:
> * panic() now works on early boot. Replace EARLY_FAIL()
> * Cleanup __set_intr_gate() & friends. The master IDT is fully constructed on
> early boot, and only subsequently altered on the crash path. Make them
> private to traps.c, move them into .init, and remove the loop over all idts,
> as __set_intr_gate() will never find an AP to patch. (For some reason,
> leaving out the noinline causes ~1.5k of code bloat from GCC inlining
> everything)
> * No need to clear X86_EFLAGS_NT in cpu_init(). This is covered by the eflags
> reset in __high_start().
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
prev parent reply other threads:[~2014-05-16 15:10 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-16 10:39 [PATCH v2 00/10] x86: Improvements to trap handling Andrew Cooper
2014-05-16 10:39 ` [PATCH v2 01/10] x86/traps: Mnemonics for system descriptor types Andrew Cooper
2014-05-16 10:39 ` [PATCH v2 02/10] x86/traps: Make panic and reboot paths safe during early boot Andrew Cooper
2014-05-16 10:39 ` [PATCH v2 03/10] x86/traps: Make the main trap handlers safe for use early during Xen boot Andrew Cooper
2014-05-16 10:39 ` [PATCH v2 04/10] x86/misc: Early cleanup Andrew Cooper
2014-05-16 10:39 ` [PATCH v2 05/10] x86/traps: Functional prep work Andrew Cooper
2014-05-16 10:39 ` [PATCH v2 06/10] x86/boot: Install trap handlers much earlier on boot Andrew Cooper
2014-05-16 10:39 ` [PATCH v2 07/10] x86/boot: Correct CR4 setup on APs Andrew Cooper
2014-05-16 10:39 ` [PATCH v2 08/10] x86/boot: Drop pre-C IDT patching Andrew Cooper
2014-05-16 10:39 ` [PATCH v2 09/10] x86/irqs: Move interrupt-stub generation out of C Andrew Cooper
2014-05-16 15:06 ` Jan Beulich
2014-05-16 15:22 ` Andrew Cooper
2014-05-16 15:30 ` Jan Beulich
2014-05-16 10:39 ` [PATCH v2 10/10] x86/misc: Post cleanup Andrew Cooper
2014-05-16 15:10 ` Jan Beulich [this message]
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