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Date: Thu, 17 May 2018 10:58:06 -0500
From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>, x86@kernel.org,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andy Lutomirsky <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Dave Hansen <dave.hansen@intel.com>,
	Borislav Petkov <bpetkov@suse.de>,
	Greg KH <gregkh@linuxfoundation.org>, keescook@google.com,
	hughd@google.com, Brian Gerst <brgerst@gmail.com>,
	Denys Vlasenko <dvlasenk@redhat.com>,
	Rik van Riel <riel@redhat.com>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Juergen Gross <jgross@suse.com>,
	David Laight <David.Laight@aculab.com>,
	Eduardo Valentin <eduval@amazon.com>, aliguori@amazon.com,
	Will Deacon <will.deacon@arm.com>, Vlastimil Babka <vbabka@suse.cz>,
	daniel.gruss@iaik.tugraz.at, Ingo Molnar <mingo@kernel.org>,
	Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [patch V181 35/54] x86/entry: Align entry text section to PMD
 boundary
Message-ID: <20180517155806.77k4zw5n3q6ia4yq@treble>
References: <20171220213503.672610178@linutronix.de>
 <20171220215443.503537377@linutronix.de>
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On Wed, Dec 20, 2017 at 10:35:38PM +0100, Thomas Gleixner wrote:
> From: Thomas Gleixner <tglx@linutronix.de>
> 
> The (irq)entry text must be visible in the user space page tables. To allow
> simple PMD based sharing, make the entry text PMD aligned.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Signed-off-by: Ingo Molnar <mingo@kernel.org>

With my config, this patch adds 2.5M (+~25%) to the kernel text size.
Is there a more granular way to achieve this?

-- 
Josh