diff options
author | Rusty Russell <rusty@rustcorp.com.au> | 2009-07-31 02:03:45 +0400 |
---|---|---|
committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-07-30 10:33:46 +0400 |
commit | a91d74a3c4de8115295ee87350c13a329164aaaf (patch) | |
tree | 02c862fccc9abedf7fc354061e69c4b5fbcce06d /arch/x86/include/asm/lguest_hcall.h | |
parent | 2e04ef76916d1e29a077ea9d0f2003c8fd86724d (diff) | |
download | linux-a91d74a3c4de8115295ee87350c13a329164aaaf.tar.xz |
lguest: update commentry
Every so often, after code shuffles, I need to go through and unbitrot
the Lguest Journey (see drivers/lguest/README). Since we now use RCU in
a simple form in one place I took the opportunity to expand that explanation.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Paul McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'arch/x86/include/asm/lguest_hcall.h')
-rw-r--r-- | arch/x86/include/asm/lguest_hcall.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/include/asm/lguest_hcall.h b/arch/x86/include/asm/lguest_hcall.h index cceb73e12e50..ba0eed8aa1a6 100644 --- a/arch/x86/include/asm/lguest_hcall.h +++ b/arch/x86/include/asm/lguest_hcall.h @@ -35,10 +35,10 @@ * operations? There are two ways: the direct way is to make a "hypercall", * to make requests of the Host Itself. * - * We use the KVM hypercall mechanism. Seventeen hypercalls are - * available: the hypercall number is put in the %eax register, and the - * arguments (when required) are placed in %ebx, %ecx, %edx and %esi. - * If a return value makes sense, it's returned in %eax. + * We use the KVM hypercall mechanism, though completely different hypercall + * numbers. Seventeen hypercalls are available: the hypercall number is put in + * the %eax register, and the arguments (when required) are placed in %ebx, + * %ecx, %edx and %esi. If a return value makes sense, it's returned in %eax. * * Grossly invalid calls result in Sudden Death at the hands of the vengeful * Host, rather than returning failure. This reflects Winston Churchill's |