Re: [PATCH] x86/paravirt: convert simple paravirt functions to asm

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


On 16.03.23 21:14, Peter Zijlstra wrote:
On Wed, Mar 08, 2023 at 04:42:10PM +0100, Juergen Gross wrote:

+DEFINE_PARAVIRT_ASM(pv_native_irq_disable, "cli", .text);
+DEFINE_PARAVIRT_ASM(pv_native_irq_enable, "sti", .text);
+DEFINE_PARAVIRT_ASM(pv_native_read_cr2, "mov %cr2, %rax", .text);

per these v, the above ^ should be in .noinstr.text

Yes, and I'm inclined to even put pv_native_save_fl into the noinstr
section. After paravirt patching it isn't called anymore anyway.


Attachment: OpenPGP_0xB0DE9DD628BF132F.asc
Description: OpenPGP public key

Attachment: OpenPGP_signature
Description: OpenPGP digital signature

Virtualization mailing list

[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux