https://github.com/torvalds/linux
Revision 9cd05ad2910b55238e3c720c99ad896dc538301b authored by Lan Tianyu on 25 February 2019, 14:31:14 UTC, committed by Thomas Gleixner on 28 February 2019, 10:58:29 UTC
The max flush rep count of HvFlushGuestPhysicalAddressList hypercall is
equal with how many entries of union hv_gpa_page_range can be populated
into the input parameter page.

The code lacks parenthesis around PAGE_SIZE - 2 * sizeof(u64) which results
in bogus computations. Add them.

Fixes: cc4edae4b924 ("x86/hyper-v: Add HvFlushGuestAddressList hypercall support")
Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: kys@microsoft.com
Cc: haiyangz@microsoft.com
Cc: sthemmin@microsoft.com
Cc: sashal@kernel.org
Cc: bp@alien8.de
Cc: hpa@zytor.com
Cc: gregkh@linuxfoundation.org
Cc: devel@linuxdriverproject.org
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20190225143114.5149-1-Tianyu.Lan@microsoft.com
1 parent 2a418cf
History
Tip revision: 9cd05ad2910b55238e3c720c99ad896dc538301b authored by Lan Tianyu on 25 February 2019, 14:31:14 UTC
x86/hyper-v: Fix definition of HV_MAX_FLUSH_REP_COUNT
Tip revision: 9cd05ad
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