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authorRusty Russell <rusty@rustcorp.com.au>2006-12-06 20:14:07 -0500
committerAndi Kleen <andi@basil.nowhere.org>2006-12-06 20:14:07 -0500
commitd3561b7fa0fb0fc583bab0eeda32bec9e4c4056d (patch)
tree39d835965878622d052ef3b3c7b759d83b6bc327 /include/asm-i386/mc146818rtc.h
parentdb91b882aabd0b3b55a87cbfb344f2798bb740b4 (diff)
[PATCH] paravirt: header and stubs for paravirtualisation
Create a paravirt.h header for all the critical operations which need to be replaced with hypervisor calls, and include that instead of defining native operations, when CONFIG_PARAVIRT. This patch does the dumbest possible replacement of paravirtualized instructions: calls through a "paravirt_ops" structure. Currently these are function implementations of native hardware: hypervisors will override the ops structure with their own variants. All the pv-ops functions are declared "fastcall" so that a specific register-based ABI is used, to make inlining assember easier. And: +From: Andy Whitcroft <apw@shadowen.org> The paravirt ops introduce a 'weak' attribute onto memory_setup(). Code ordering leads to the following warnings on x86: arch/i386/kernel/setup.c:651: warning: weak declaration of `memory_setup' after first use results in unspecified behavior Move memory_setup() to avoid this. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Zachary Amsden <zach@vmware.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Diffstat (limited to 'include/asm-i386/mc146818rtc.h')
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