From: Borislav Petkov <bp@alien8.de>
To: Ashish Kalra <ashish.kalra@amd.com>
Cc: Thomas.Lendacky@amd.com, jon.grimm@amd.com,
brijesh.singh@amd.com, dave.hansen@linux-intel.com,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
peterz@infradead.org, x86@kernel.org,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
mingo@redhat.com, luto@kernel.org, hpa@zytor.com,
rientjes@google.com, tglx@linutronix.de, hch@lst.de
Subject: Re: [PATCH v6] swiotlb: Adjust SWIOTBL bounce buffer size for SEV guests.
Date: Tue, 24 Nov 2020 10:04:31 +0100 [thread overview]
Message-ID: <20201124090431.GC4009@zn.tnic> (raw)
In-Reply-To: <20201123225631.GA16055@ashkalra_ubuntu_server>
On Mon, Nov 23, 2020 at 10:56:31PM +0000, Ashish Kalra wrote:
> As i mentioned earlier, the patch was initially based on using a % of
> guest memory,
Can you figure out how much the guest memory is and then allocate a
percentage?
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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WARNING: multiple messages have this Message-ID (diff)
From: Borislav Petkov <bp@alien8.de>
To: Ashish Kalra <ashish.kalra@amd.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
hch@lst.de, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
x86@kernel.org, luto@kernel.org, peterz@infradead.org,
dave.hansen@linux-intel.com, iommu@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, brijesh.singh@amd.com,
Thomas.Lendacky@amd.com, jon.grimm@amd.com, rientjes@google.com
Subject: Re: [PATCH v6] swiotlb: Adjust SWIOTBL bounce buffer size for SEV guests.
Date: Tue, 24 Nov 2020 10:04:31 +0100 [thread overview]
Message-ID: <20201124090431.GC4009@zn.tnic> (raw)
In-Reply-To: <20201123225631.GA16055@ashkalra_ubuntu_server>
On Mon, Nov 23, 2020 at 10:56:31PM +0000, Ashish Kalra wrote:
> As i mentioned earlier, the patch was initially based on using a % of
> guest memory,
Can you figure out how much the guest memory is and then allocate a
percentage?
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2020-11-24 9:04 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-19 21:42 [PATCH v6] swiotlb: Adjust SWIOTBL bounce buffer size for SEV guests Ashish Kalra
2020-11-19 21:42 ` Ashish Kalra
2020-11-23 17:06 ` Borislav Petkov
2020-11-23 17:06 ` Borislav Petkov
2020-11-23 17:56 ` Konrad Rzeszutek Wilk
2020-11-23 17:56 ` Konrad Rzeszutek Wilk
2020-11-23 18:02 ` Borislav Petkov
2020-11-23 18:02 ` Borislav Petkov
2020-11-23 18:43 ` Konrad Rzeszutek Wilk
2020-11-23 18:43 ` Konrad Rzeszutek Wilk
2020-11-24 9:00 ` Borislav Petkov
2020-11-24 9:00 ` Borislav Petkov
2020-11-23 22:56 ` Ashish Kalra
2020-11-23 22:56 ` Ashish Kalra
2020-11-24 9:04 ` Borislav Petkov [this message]
2020-11-24 9:04 ` Borislav Petkov
2020-11-24 9:25 ` Kalra, Ashish
2020-11-24 9:25 ` Kalra, Ashish
2020-11-24 9:38 ` Borislav Petkov
2020-11-24 9:38 ` Borislav Petkov
2020-11-24 9:43 ` Kalra, Ashish
2020-11-24 9:43 ` Kalra, Ashish
2020-11-24 23:46 ` Ashish Kalra
2020-11-24 23:46 ` Ashish Kalra
2020-12-01 20:42 ` Konrad Rzeszutek Wilk
2020-12-01 20:42 ` Konrad Rzeszutek Wilk
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