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From: Juergen Gross <jgross@suse.com>
To: Jan Beulich <jbeulich@suse.com>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
	lkml <linux-kernel@vger.kernel.org>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH 3/9] xen/x86: make "earlyprintk=xen" work better for PVH Dom0
Date: Thu, 23 Sep 2021 16:05:54 +0200	[thread overview]
Message-ID: <5d6f47fd-67e9-4095-7db2-4609ab3c820a@suse.com> (raw)
In-Reply-To: <ecf17c7b-09a4-29a7-6951-1e0b0dda3c67@suse.com>


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On 07.09.21 12:09, Jan Beulich wrote:
> The xen_hvm_early_write() path better wouldn't be taken in this case;
> while port 0xE9 can be used, the hypercall path is quite a bit more
> efficient. Put that first, as it may also work for DomU-s (see also
> xen_raw_console_write()).
> 
> While there also bail from the function when the first
> domU_write_console() failed - later ones aren't going to succeed.
> 
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Reviewed-by: Juergen Gross <jgross@suse.com>


Juergen

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  reply	other threads:[~2021-09-23 14:06 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-07 10:04 [PATCH 0/9] xen/x86: PVH Dom0 fixes and fallout adjustments Jan Beulich
2021-09-07 10:07 ` [PATCH 1/9] xen/x86: prevent PVH type from getting clobbered Jan Beulich
2021-09-23 13:06   ` Juergen Gross
2021-09-07 10:08 ` [PATCH 2/9] xen/x86: allow PVH Dom0 without XEN_PV=y Jan Beulich
2021-09-23 14:03   ` Juergen Gross
2021-09-07 10:09 ` [PATCH 3/9] xen/x86: make "earlyprintk=xen" work better for PVH Dom0 Jan Beulich
2021-09-23 14:05   ` Juergen Gross [this message]
2021-09-07 10:09 ` [PATCH 4/9] xen/x86: allow "earlyprintk=xen" to work for PV Dom0 Jan Beulich
2021-09-23 14:06   ` Juergen Gross
2021-09-07 10:10 ` [PATCH 5/9] xen/x86: make "earlyprintk=xen" work for HVM/PVH DomU Jan Beulich
2021-09-23 14:08   ` Juergen Gross
2021-09-07 10:10 ` [PATCH 6/9] xen/x86: generalize preferred console model from PV to PVH Dom0 Jan Beulich
2021-09-23 14:54   ` Juergen Gross
2021-09-07 10:11 ` [PATCH 7/9] xen/x86: hook up xen_banner() also for PVH Jan Beulich
2021-09-23 14:59   ` Juergen Gross
2021-09-23 15:10     ` Jan Beulich
2021-09-23 15:15       ` Juergen Gross
2021-09-23 15:19         ` Jan Beulich
2021-09-23 15:25           ` Juergen Gross
2021-09-23 15:31             ` Jan Beulich
2021-09-29  5:45               ` Juergen Gross
2021-09-29  7:28                 ` Jan Beulich
2021-09-29  7:29                   ` Juergen Gross
2021-09-07 10:12 ` [PATCH 8/9] x86/PVH: adjust function/data placement Jan Beulich
2021-09-23 15:02   ` Juergen Gross
2021-09-07 10:13 ` [PATCH 9/9] xen/x86: adjust data placement Jan Beulich
2021-09-23 15:04   ` Juergen Gross
2021-09-14  8:32 ` [PATCH 0/9] xen/x86: PVH Dom0 fixes and fallout adjustments Roger Pau Monné
2021-09-14  9:03   ` Jan Beulich
2021-09-14 11:15     ` Roger Pau Monné
2021-09-14 11:58       ` Jan Beulich
2021-09-14 12:41         ` Roger Pau Monné
2021-09-14 15:13           ` Jan Beulich
2021-09-14 16:27             ` Roger Pau Monné
2021-09-15  8:29               ` Jan Beulich

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