-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Jeremy Fitzhardinge escreveu: > Glauber de Oliveira Costa wrote: >> under paravirt, read cr2 cannot be issued directly anymore. >> So wrap it in a macro, defined to the operation itself in case >> paravirt is off, but to something else if we have paravirt >> in the game >> > > Is this actually needed? It's only used in the early fault handler in > head_64.S. Will we be taking that path in the paravirt case? If so, > should we disable the fault handler altogether, since the hypervisor can > probably provide better diagnositcs. > Well, as you told me earlier, xen won't use it. Neither does lguest. None of us goes through the normal boot process anyway. But maybe some other technology uses it? Zach, how does it work for vmware? -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Remi - http://enigmail.mozdev.org iD8DBQFHKdmVjYI8LaFUWXMRAgxkAKCQB+VtpGSlm+zuyRRWmi3h+k9NqQCgyfmD cpPyQcfxo9hcSI0WaDFmpWg= =Oa4v -----END PGP SIGNATURE----- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- References:
- [PATCH 0/7] (Re-)introducing pvops for x86_64 - Real pvops work part
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 1/16] Wipe out traditional opt from x86_64 Makefile
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 2/16] paravirt hooks at entry functions.
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 3/16] read/write_crX, clts and wbinvd for 64-bit paravirt
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 4/16] provide native irq initialization function
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 5/16] report ring kernel is running without paravirt
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 6/16] export math_state_restore
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 7/16] native versions for set pagetables
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 8/16] add native functions for descriptors handling
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 9/16] This patch add provisions for time related functions so they
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 10/16] export cpu_gdt_descr
- From: Glauber de Oliveira Costa <[email protected]>
- [PATCH 11/16] turn priviled operation into a macro in head_64.S
- From: Glauber de Oliveira Costa <[email protected]>
- Re: [PATCH 11/16] turn priviled operation into a macro in head_64.S
- From: Jeremy Fitzhardinge <[email protected]>
- [PATCH 0/7] (Re-)introducing pvops for x86_64 - Real pvops work part
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